Now compiled locale files (.mo) are generated on the server side.
This cleans up the git tree and make translation contributions much
easier to merge.
Please note that you will need to generate those files after each pull,
so remember to execute install_re2o.sh.
Based on the Python template : https://github.com/github/gitignore/
I'm using PyCharm which creates .idea folders. So I need this to
make my life easier.