Added initial documentation and usage instructions for the optional Nero AAC encoder #6
Update README.md

Replace disclaimer text, add warning about 10.04 to 12.04 upgrades
Update mkvfile.py

Merge in same --ui-language arguments as in master
Revert UI language parameter
Development version updates:

* Clarification and recent changes in README file
* Add hackish but convenient batch file processing support (*nix systems)
* Fix mkvinfo output to always use en_US language (see pull requests https://github.com/jbillo/xenonmkv/pull/14 and https://github.com/jbillo/xenonmkv/pull/15)
* Remove neroAacEnc dependency/requirement so that application starts properly
More information on reference frame restrictions
Merge pull request #16 from jbillo/development

Merge development branch into master