Merge pull request #166 from mlorbetske/master

Design mode fixes, F12 perf
Fixes to file nesting in website projects
Updated to latest ZenCoding
Revert "Updated to latest ZenCoding"

This reverts commit df097496ad019cafdaed26fc0a427d00bc44d09c.
Updated ZenCoding
Fixes LESS compile null reference
Merge pull request #167 from mlorbetske/master

Unused CSS major performance improvement
Merge pull request #168 from mlorbetske/master

Switch to use HashSet<RawRuleUsage>
Fixed #169
Reuse GetSelectedItemPaths()
Fix GetAllProjects() to be properly recursive

And use it for all project enumerations.

Fixes #144
Added location info to coffee-script errors
Reformatted coffee compiler js for ParseError fn

Added regexp to extract first line and first column in ParseError
Updated the SDK URL

Now the URL will navigate to the right section to download the SDK.
Merge pull request #180 from SLaks/project-enumeration-fix

More Project Fixes
Merge pull request #181 from pflannery/fix-coffee-script-err-line-numbers

Added location info to coffee-script errors
Merge pull request #183 from am11/patch-1

Updated the SDK URL