Update messages for new author fields, update apiref messages

Signed-off-by: Pekka Helenius <fincer89@hotmail.com>

bookstore/src/main/resources/messages.properties

@@ -3,76 +3,88 @@
 # Message keys with values.
 # Prepare environment for possible multi-language support
 
-typeMismatch.book.year       = Invalid year format
-typeMismatch.book.price      = Invalid price format
-
-book.author                  = Author
-book.title                   = Title
-book.isbn                    = ISBN
-book.year                    = Year
-book.price                   = Price
-book.category                = Category
-book.json                    = JSON Data
-
-book.desc.set.author         = Set book author name
-book.desc.set.title          = Set book primary title
-book.desc.set.isbn           = Set book ISBN code
-book.desc.set.year           = Set book publication year
-book.desc.set.price          = Set book price
-book.desc.set.category       = Select appropriate category
-
-book.desc.example.headertext = Valid inputs (examples)
-book.desc.example.author     = Andrzej Sapkowski
-book.desc.example.title      = The Witcher\:\ The Lady of the Lake
-book.desc.example.isbn       = 1212121-3 or 4545454-67 or 6767676-890
-book.desc.example.year       = 1854 or 2005
-book.desc.example.price      = 17 or 123.5 or 45.67 or 78,43
+typeMismatch.book.year             = Invalid year format
+typeMismatch.book.price            = Invalid price format
+
+book.author                        = Author
+book.author.firstName              = First name
+book.author.lastName               = Last name
+book.title                         = Title
+book.isbn                          = ISBN
+book.year                          = Year
+book.price                         = Price
+book.category                      = Category
+book.json                          = JSON Data
+
+book.desc.set.author.firstname     = Set book author first name
+book.desc.set.author.lastname      = Set book author last name
+book.desc.set.title                = Set book primary title
+book.desc.set.isbn                 = Set book ISBN code
+book.desc.set.year                 = Set book publication year
+book.desc.set.price                = Set book price
+book.desc.set.category             = Select appropriate category
+
+book.desc.example.headertext       = Valid inputs (examples)
+book.desc.example.author.firstname = Andrzej
+book.desc.example.author.lastname  = Sapkowski
+book.desc.example.title            = The Witcher\:\ The Lady of the Lake
+book.desc.example.isbn             = 1212121-3 or 4545454-67 or 6767676-890
+book.desc.example.year             = 1854 or 2005
+book.desc.example.price            = 17 or 123.5 or 45.67 or 78,43
                         
-book.error.author            = Invalid author name
-book.error.title             = Invalid title
-book.error.isbn              = Invalid ISBN code
-book.error.year              = Invalid year
-book.error.price             = Invalid price
-book.error.isbn.exists       = ISBN code already exists
-book.error.id.invalid        = Wrong book
+book.error.author                  = Invalid author name
+book.error.title                   = Invalid title
+book.error.isbn                    = Invalid ISBN code
+book.error.year                    = Invalid year
+book.error.price                   = Invalid price
+book.error.isbn.exists             = ISBN code already exists
+book.error.id.invalid              = Wrong book
                         
-page.title.browser.list      = Bookstore page
-page.title.browser.add       = Add book
-page.title.browser.edit      = Update book
-page.title.browser.error     = Error page
-page.title.browser.apiref    = API Reference help page
+page.title.browser.list            = Bookstore page
+page.title.browser.add             = Add book
+page.title.browser.edit            = Update book
+page.title.browser.error           = Error page
+page.title.browser.apiref          = API Reference help page
+
+page.title.webform.list            = Books
+page.title.webform.add             = Add new book
+page.title.webform.edit            = Update existing book
+page.title.webform.error           = Error
+page.title.webform.apiref          = API Reference help page
+
+page.text.list.actions             = Actions
+page.text.list.delete              = Delete
+page.text.list.edit                = Edit
+page.text.list.json                = Get
+
+page.text.apiref.warning           = NOTE\:\ these direct JSON keys may differ in name \&\ count when comparing to publicly exposed JSON book data.
+
+page.text.apiref.endpoints         = REST API end points
+page.text.apiref.examples          = Direct search examples
 
-page.title.webform.list      = Books
-page.title.webform.add       = Add new book
-page.title.webform.edit      = Update existing book
-page.title.webform.error     = Error
-page.title.webform.apiref    = API Reference help page
+page.text.apiref.book.add          = Adding a book
+page.text.apiref.book.edit         = Editing an existing book
+page.text.apiref.book.delete       = Deleting an existing book
+page.text.apiref.book.get          = Getting information about an existing book
 
-page.text.list.actions       = Actions
-page.text.list.delete        = Delete
-page.text.list.edit          = Edit
-page.text.list.json          = Get
+page.text.apiref.author.edit       = Editing an existing author
 
-page.text.apiref.endpoints   = REST API end points
-page.text.apiref.examples    = Direct search examples
-page.text.apiref.add         = Adding a book (Unix-alike clients)
-page.text.apiref.edit        = Editing an existing book (Unix-alike clients)
-page.text.apiref.delete      = Deleting an existing book (Unix-alike clients)
-page.text.apiref.get         = Getting information about an existing book (Unix-alike clients)
+page.text.apiref.book.edit.info    = Where suffix number 2 is a book ID
+page.text.apiref.unix.info         = \*\Unix-alike clients. Escape quotes (\\"\) on Windows (may not required on MinGW setups).
 
-page.text.apiref.edit.info   = Where suffix number 2 is a book ID
+page.text.apiref.author.edit.info  = Where suffix number 1 is an author ID
 
-page.text.apiref.links.title = Direct link
-page.text.apiref.link        = Link
+page.text.apiref.links.title       = Direct link
+page.text.apiref.link              = Link
 
-page.text.error              = Error while processing your request
+page.text.error                    = Error while processing your request
 
-button.book.add              = Add book
-button.book.edit             = Update book
+button.book.add                    = Add book
+button.book.edit                   = Update book
 
-button.page.list.return      = Return to book list page
-button.page.list.json        = Get list as JSON
+button.page.list.return            = Return to book list page
+button.page.list.json              = Get list as JSON
 
-button.page.apiref           = How to: REST API link references
+button.page.apiref                 = How to: REST API link references
 
-page.symbols.currency        = \u20AC
+page.symbols.currency              = \u20AC