Adding support for --force-ext option.

Allows the user to specify an extension on the commandline. When
present, all input files will be processed as if they have this
extension.
Added scala support.
Merge branch 'force-ext' of github.com:MaxPower15/docco into ext-cleanup
Cleanup submission from @MaxPower15, that adds support for specifying the file type of the inputs based on a given extension other than the one the file has on disk.
Missing README update for -e flag.
Merge branch 'ext-cleanup'
Merge branch 'scala_support' of github.com:marioaquino/docco into scala

Conflicts:
	resources/languages.json
Merge branch 'scala'
switching from showdown to marked
Making Docco a literate CoffeeScript file
nicer formatting for language list
Docco can now handle literate CoffeeScript, as well as literate anything-else, with the .codeext.md convention
removing silly resolvesources function. Unix does that.
progres...
... fixed the jump menu
Docco 0.5.0
Docco 0.5.0 tweaks
Removing pagelet, and test suite. Not quick-and-dirty enough.
fixing header pilcrows
tweaking package.json