DUI: Templates and Styles for LibrarySearchView.

This PR contains only resources for LibrarySearchView.
All resources divided into regions.
Added one more converter.
Mostly these resources duplicate LibraryView.

Reviewers
@Benglin,@vmoyseenko, please take a look.

Tasks on YouTrack:
[MAGN-4909](http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-4909) DUI: Style classes as specified
[MAGN-4813](http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-4813) DUI: Style member group as specified in specification
[MAGN-4913](http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-4913) DUI: Search category should be collapsable