Update languages.yml

Added .podsl extension for Common Lisp language
Added support for LFE (Lisp Flavored Erlang).
Fixed typo (removed capitalization).
There is a lexer for TypeScript in the pygments project
Change YAML type to data
remove unused else
Merge pull request #656 from liluo/dev

Remove unused else
Add the ".cljx" file extension to the list of Clojure languages.

Some people start writing portable Clojure/Clojurescript code and use
the ".cljx" file extension for that. This is driven by this project:

https://github.com/lynaghk/cljx
Merge pull request #669 from r0man/cljx

Add the ".cljx" file extension to the list of Clojure languages.
Update languages.yml
Create Squirrel.nut
fix sorting
really fix sorting
Adding .x3d to the list of .xml extensions.

Adding .x3d to the list of .xml extensions: [x3d specifications] (http://www.web3d.org/x3d/specifications/x3d_specification.html)
Merge pull request #676 from faithanne/master

Adding .x3d to the list of .xml extensions.
rake samples
rename Delphi to Pascal
Merge pull request #677 from github/rename-delphi-to-pascal

Rename Delphi to Pascal
Merge pull request #549 from oubiwann/add-lfe-support

Added support for LFE (Lisp Flavored Erlang).
Make markup tests pass

Yaml ain't Markup Language!