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redactor fullscreen mode
redactor css update
asset selector improvements
asset selector improvements
attaching file : extra space problem is fixed
asset selector from full-screen mode of redactor sits behind the editor
red actor align left, centre, right
save, restore selection in redactor plugins

doing this will make sure clicking around will not remove user's text selection.
Merge branch 'master' of https://github.com/Gluttonberg/core
asset library File system : allow to replace file with same name
Merge pull request #76 from abdulrauf/master

redactor and asset selector bug fixes/improvements