* * add CoNLL-U format
- add to languages.yml
- add textmate grammar
- add to vendor/README
- add to grammars.yml
- add samples
* rm other extensions as I couldn't find properly licensed examples of them in the wild
* substitutesamples for something with appropriate license
* update grammar submodule so it finds the LICENSE
* add license to grammar
* * conllu
- readd other extensions
- abridge samples and a new one
- update grammar submodule: correct extension of grammar file
* rm .conllx extension
