[Color] Add Color.fromCSSColor()

Support #rgb, #rrggbb, rgb() and rgba() formats
Update the changelog
[Color] fix CS
[Color] Add support for named colors & hsl[a]()
[Color] Tweaks
[Color] fix regexps
Merge pull request #402 from vicb/csscolor

[Color] Add Color.fromCSSColor(), Color.fromHSL()
Fix jshint warnings, doc tweak.
Added NamedColors enumeration.
Remove unused dependency.
Merge branch 'master' into color
Fix documentation type for NamedColors.
Rename use of `toCSSColor` to `toCssColorString`. Update CHANGES.md.
Merge remote-tracking branch 'origin/master' into color

Conflicts:
	CHANGES.md
Fix tilt close to surface in 3D. There is still the problem with zooming out when in columbus view.
Add category support for specs.
Add category support for suites.
Count categorized suites as focused.
Add category select UI.
Merge branch 'master' into jasmine-categories