add tabs component
add user profile tabs
docs and tests for tabs component
Merge pull request #32 from it3s/tabs-component

Tabs component
add counters
refactoring counters view
add 'counters_list' helper
update 'counters_list' helper
Merge pull request #33 from it3s/counters

Add counters
customize SimpleCov
fix guard config
test reset password email
improve test coverage
Merge pull request #34 from it3s/tests

Improve tests
Merge branch 'master' into geo_data