#432: Blog Posts: fixed Url validation
#434 Changed logic of storing images: each crop / resize has saved version, image never changes
#436 Newsletter subscribers: validation messages are rendered as html, not as text
#437 Fixed IE bug, when losing focus when validation exception occurs in knockout grid
#358 Created API methods for register layout
#358 Created API method for create layout region
#358 Created API method for create HTML widget
#358 Created API method for create server control widget and widget options
#358 reverted sandbox changes
#358 Created API method for creating page
#358 Created API method for creating page html content
#382: alert and confirmation dialogs updated for IE
#358 Created API methods for adding HTML and Server Control widgets to page
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
Solution updated.
#358 Created request for saving widget option keys
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#358 Created request for saving server widget with options
#448: content deleting updated.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev