[Changed] group fs cleanup and bug fixes
[Fixed] search url
[Fixed] create directory modal dialog
[Fixed] owner files & directory
[Fixed] compiling issue
[Change] updated accesslib to 1.0.10
[Added] breadcrumbs for group filesystem
[Fixed] unit test for C3Path util class
[Changed] finished with support of s4 meta processing
[Changed] NotificationManager is migrated from LiftActors to Akka
[Changed] dependency factory cleanup and fixing initialization sequence
[Fixed] wrong author info is fixed
[Changed] notification manager refactoring +  unit test
[Changed] new directory creation form is refactored
[Changed] breadcrumbs: current location link is disabled
[Edit] [WIP] TableSorters
[Add] [WIP] Button back
[Edit] Icons
[Add] icons
[Fixed] modal dialogs for new directory & file upload are hidden
[Added] link to previous directory in file browser
[Edit] TableSorter
[Change] updated accesslib to 1.0.10 in manifest.mf
[Change] logback.xml ignored
[Changed] updated to latests 1.0.11 accesslib
[Added] ability to delete files (directories can be deleted if they are empty only -> to be fixed in C3)
[Changed] tags and metadata are working for new directory creation
Merge remote-tracking branch 'origin/master'
[Add] [WIP]  edit tags
[Add] [WIP]  edit metadata
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/scala/org/aphreet/c3/snippet/groups/snippet/GroupPageFiles.scala
	src/main/webapp/groups/files.html