Implemented Text Editor widget that integrates all operations on
textareas including HTML editor and spellchecking
Small code improvement
Fix double newlines on message printout
Display a warning if popup window was blocked (#1489618)
Change private vars/methods to protected
Change private method to protected
CS fixes
Code improvements, removed redundant hasClass() calls
Small code improvements/fixes
Attach nemail_notifier script only to main window
Fix so message list and counters are updated when a message is opened in new window (#1489919)
Fixed set_unread_message() in multifolder mode
Fix folders sorting in case when special folders are subfolders of INBOX
Improved video support, all tinymce related resources moved to program/js/tinymce/roundcube dir
Fixed Save button in classic skin of Vacation interface (#1489926)