#93 Added PageTextEditor and PageAuthorEditor to PageEditor.  PageTextEditor is prototyped from new widget for RichText short representing - RichTextPreview. PagePreview has also that widget for case_text. Changed all styles of page widgets.
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	www/Library/admin_widgets/PageEditor/PageEditor.info
	www/Library/admin_widgets/page_widgets/PageTitleEditor/res/jquery.ui.PageTitleEditor/jquery.ui.PageTitleEditor.js