More languages

I've added support for the following languages which are already supported by [highlight.js](https://github.com/isagalaev/highlight.js):

* [ActionScript](http://www.adobe.com/devnet/actionscript.html) (`.as`)
* [AppleScript](https://developer.apple.com/library/mac/#documentation/applescript/conceptual/applescriptx/AppleScriptX.html) (`.scpt` `.applescript`)
* [Bash](http://en.wikipedia.org/wiki/Bash_(Unix_shell)) (`.sh`)
* [Clojure](http://clojure.org) (`.clj`)
* [CMake](http://www.cmake.org) (`.cmake`)
* [D](http://dlang.org) (`.d`)
* [Delphi](http://en.wikipedia.org/wiki/Object_Pascal) (`.p` `.pp` `.pas`)
* [DOS](http://en.wikipedia.org/wiki/DOS) (`.bat` `.btm` `.cmd`)
* [Go](http://golang.org) (`.go`)
* [INI](http://en.wikipedia.org/wiki/INI_file) (`.ini`)
* [Lisp](http://en.wikipedia.org/wiki/Lisp_(programming_language)) (`.lisp`)
* [Maya Embedded Language (MEL)](http://en.wikipedia.org/wiki/Maya_Embedded_Language) (`.mel`)
* [Perl](http://www.perl.org) (`.pl` `.pm` `.pod` `.t`)
* [R](http://www.r-project.org) (`.r`)
* [Rust](http://www.rust-lang.org) (`.rc` `.rs`)
* [SQL](http://en.wikipedia.org/wiki/SQL) (`.sql`)
* [Vala](https://live.gnome.org/Vala) (`.vala` `.vapi`)
* [VBScript](http://en.wikipedia.org/wiki/VBScript) (`.vbe` `.vbs` `.wsc` `.wsf`)
* [VHDL](http://en.wikipedia.org/wiki/VHDL) (`.vhdl`)

I also added the `.mm` extension for [Objective-C](http://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/ObjectiveC/Introduction/introObjectiveC.html).

I've only added languages that support open single line comments as well as having a specific set of file extensions.