Add Chapel parallel programming language.

Includes several example programs from source distribution.
Include Chapel in some of the language tests.
Merge remote-tracking branch 'github/master' into chapel-lang

Conflicts:
	lib/linguist/samples.json
added two more common file endings for perl programs
fixed extension order
fixed extension order, hopefully correctly this time
fixed extension order, hopefully correctly this time
Merge remote-tracking branch 'github/master' into chapel-lang

Conflicts:
	lib/linguist/samples.json
Update vendor.yml: added animate.css
Modifying Mirah search terms
Merge pull request #1383 from github/mirah-search

Modifying Mirah search terms
Linguist v3.0.4
Most Xcode files have a human-readable diff now!
Actually let's keep those.
pbproj's are cool too.
Merge pull request #1385 from joshaber/master

XCodes
Merge branch 'master' into cut-release-v3.0.4
Fixing broken test
Explictly load FileBlob
added emberscript and provided sample