#157: bcms.modal.js updated to prevent multiple Enter and/or Esc press.
#213: file downloading updated.
#184: image edit/insert behavior updated (for deleted record).
Restored real logo class
#264 Page is not reloaded after blog content is destroyed (or saved) from site settings
#264 Page is not reloaded after widget content is destroyed from site settings;
#262: Fixed spinner position
#250 Changed design of history preview container
#220 Changed logic of checkboxes labels click events
#184: deleted folder navigation / edit / delete updated.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#271 Fixed media manager failed message position
#271 Changed position of message box refresher - it prevents from flickering message box
#184: page edit / delete updated.
#184: page cloning updated if page is deleted.
#184: blogs updated to handle edit / delete if it is already deleted.
#184: widgets edit updated if widget was deleted before editing.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#184: updated widgets.
#184: redirects updated to handle deleted items.