#139: button "Upload from computer" click fixed for FireFox, Opera and Safari.
Implemented category/tag validation if such category/tag exists. #137
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#122 Closing connections after migration runner ends
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
Done #136
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#133: empty region sorting fixed.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#144: insert image with options updated.
Sandbox authentication cookie expiration changed to one month.
#143 Fit image fixed to work in Chrome and IE
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#146 When inserting image to content, adding  it's version
#151 When page is not published, do not rendering it
#132: CKEditor instances destroy function added.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#155 IsPublic flag moved to root; when loading page for unautenthicated user, checking, if page is visible for public users;
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#155 When creating new page, it's created public