Support of the .pp extension for Pascal
Rename Groovy sample file with a .gradle extension
Heuristics on for .cl
Added files generated by Typesafe Activator to vendor.yml
Merge pull request #1522 from github/cl-heuristics

Heuristics on for .cl
Merge pull request #1552 from github/benchmarking

Benchmarking
Merge branch 'master' into 1372-local

Conflicts:
	lib/linguist/samples.json
Merge branch 'master' into 1267-local

Conflicts:
	lib/linguist/samples.json
Merge pull request #1553 from github/1372-local

1372 local
Merge pull request #1554 from github/1267-local

1267 local
Merge pull request #1547 from bwestlin/master

Added files generated by Typesafe Activator to vendor.yml
Add FORTRAN samples.
Add Forth extensions .f and .for; add heuristics for Forth and FORTRAN.