Small improvements to index views:
- Fix #22.
- Add 'has_scope' gem and a few filtering scopes to TimeEntry.
- Remove show button from actions helper method.
- Other minor changes.
Fix #26, fix #27 and fix #28.
Merge pull request #29 from fator7/ImproveTimeEntry

Add filters to TimeEntry#index (and a bunch of minor changes).
Add helper to create collapsible ibox float div with title.
Add optional title.
Add use of ibox helper method to TimeEntry#index.
Merge pull request #35 from taschetto/master

Add ibox helper.
General refactory:
- Add hash entry for content class in ibox helper.
- Update all views to use ibox helper.
- Add :admin checkbox to User form.
Merge pull request #36 from taschetto/master

General refactory.
Fix #25.
Add date range in TimeEntry#index action (fix #30).
Merge pull request #37 from taschetto/master

Fix #11, #25 and #30.
_float_header.html.erb is not needed anymore.
Fix #8.
Merge pull request #38 from taschetto/master

Ajuste no alinhamento de campos numéricos em tabelas.
Fix #39.
Merge pull request #40 from taschetto/master

Fix #39.
Fix #43.
Merge pull request #44 from taschetto/fix-43

Fix #43.
Ajustes na função authorize user. Agora ficou bonito :P