Custom borders #1461
phase 1 + small webstorm suggestions
Custom borders #1461
Custom borders #1461
Custom borders #1461
Custom borders #1461
phase 2
Custom borders #1461
c
removed unused style property
Custom borders #1461
Tests 1
Custom borders #1461
Tests 2
Custom borders #1461
Tests 3
Demo in index.html
fixes #1461
fixed tests and removed unnecessary code
add z-index for core borders (current, area, fill)
add more rows to the demo
fixes #1461 redraw borders after scroll fixed
improve description
Merge branch 'feature/issue-1461' into develop

Conflicts:
	Gruntfile.js