Add color tags for colors in LESS mixin arguments

IntelliSense still doesn't show a color picker :frowning:
Add color tags for default values in LESS mixins

(for declarations)

The color picker already works here, although clicking the adornment to
open it doesn't quite work.
Add color tags for LESS function arguments

The color popup does not work here
Speed Typing: Don't add braces in LESS comments
Create CssItemAggregator to avoid duplicate crawl

GetColors() now directly finds all color nodes regardless of parentage.
Use CssItemAggregator in CSS Navigate To

Also change the parallel loop to not re-iterate the files collection
every time
Don't show color tags in selectors

Only look for color name identifiers in values.
It might be faster to change this to a nested crawl; I'm not sure.
Restore missing [ComVisible]

It turns out that this was needed (in spite of a Code Analysis warning
about the lack of public constructor) to expose to WebBrowser via
ObjectForScripting.

Fixes 34b5f77d71d3b5420986ca74f18ead1a94a2607b
Selector Quick Info: Don't show mixin specificity
Unify namespaces

Change namespace from copied sample code
Add more CSS / LESS identifier highlighting

Variable names, mixin names, property names
Merge pull request #16 from SLaks/mixin-reference-color

Add color tags for colors in LESS parameters & arguments
Merge pull request #17 from SLaks/speed-typing-comment-fix

Speed Typing: Don't add braces in LESS comments
Merge pull request #18 from SLaks/code-cleanup

More cleanup
Fixed issue with renaming files in website projects
Upgraded to CoffeeScript 1.6.3