Add .sc as a SuperCollider file extension
Heuristic rules to distinguish .sc files between SuperCollider and Scala
Heuristic rule to detect AsciiDoc files
Merge pull request #1639 from pchaigno/asc

Heuristic rule to detect AsciiDoc files
Syntax preference
Merge branch 'master' into 1623-local

Conflicts:
	lib/linguist/heuristics.rb
Merge branch 'master' into 1623-local

Conflicts:
	lib/linguist/heuristics.rb
Merge branch 'master' into 1623-local

Conflicts:
	lib/linguist/heuristics.rb
Merge branch '1623-local' of github.com:github/linguist into 1623-local

Conflicts:
	lib/linguist/heuristics.rb
Merge pull request #1660 from github/1623-local

1623 local
Add FORTRAN samples.
Add Forth extensions .f and .for; add heuristics for Forth and FORTRAN.