convert utils file to utils package
create utils._pandas
Fix test on _pandas
used ; on export cvs sep
i18n index.html
Merge branch 'master' of github.com:avelino/mining
fix widgets filters and add users filter
set languaga default
Merge branch 'master' of https://github.com/avelino/mining

* 'master' of https://github.com/avelino/mining:
  fix widgets filters and add users filter
  i18n index.html
set lang via mining.ini
more translates
Merge pull request #163 from avelino/master

i18n and fixes