Initial configuration to use Aquillian / Graphene

1. Add maven dependencies to arquillain graphene
2. Initial configuration of a example of acceptance test
Merge branch 'master', remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Addition of messages of feedback on SectorController actions

1. Exclude of the validation classes that are not used anymore
2. Addition of validation of uniqueness for Sector name
3. Update of sector form/list html
4. Update of singleCheckboxField tag
5. Remotion of warnings of some classes (rawtipes , unused imports )
Addition of changelog for the unique constrains of the Sector name
Remove of the unique constrains on Sector name
This closes #83
Added contextPath
Merge branch 'master', remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge pull request #98 from efraimgentil/master

Validation on sector, form refactor, feedback messages on SectorController
Merge branch 'master', remote-tracking branch 'upstream/master'
Performed the translation of messages_en.properties file. Issue number: #99
Merge pull request #100 from felipewmartins/master

Performed the translation of messages_en.properties file. Issue number: #99
Merge remote-tracking branch 'upstream/master'
Change o the ChangeLocaleServlet to ChangeLocaleController with the help of @eprogramming
Merge pull request #101 from efraimgentil/master

Change o the ChangeLocaleServlet to ChangeLocaleController
default pt_br