Refactored VRS into new VBrowser VRS API. 
Created mimimalistic VRS.
Updated to new VRS api.
Updated to new FSUtil API.
Added VarArgs constructor.
Better support for nio.files attributes and other misc updates.
Minimalistic VRS implementation in vbrowser.vrs module. 
Only methods that really needed by VBrowser API are implemented.
Update to new vbrowser.vrs API.
Merge remote-tracking branch 'origin/develop' into develop