#753: icon for dynamic region insertion changed in CKEditor.
#677: page properties and content editing updated.
Page delete updated to clear master pages records.
#765 Implemented an ability to insert page data directly to the content (page title, url, options)
#767: message for empty template list added.
#765 New fields added to page model properties ckEditor plugin
#765 using stringBuilder when generating strings
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#737 Master pages path fix
Merge branch 'dev'