Replaced ext-js function 'remove' with pure js version in advancedsearch.
Merge pull request #239 from 4teamwork/lk_fix_advancedsearch_js

Replaced ext-js function 'remove' with pure js version in advancedsearch.
Moved create repository script from opengever.zug package.
PEP8.
Updated create_repository_csv script after move to core.