Reintroduce SessionsController spec

Remove test folder, fix #60
Add .editorconfig
Add Code Climate code coverage, close #15

commit 9072879009509e8bb98db152d2d36d68b2d4b75f
Author: Jan Vlnas <git@jan.vlnas.cz>
Date:   Fri May 2 02:42:57 2014 +0200

    WebMock: add exception for codeclimate.com

commit 0850709e3771d9fbf769ac1b1ff9fe7f5565aaac
Author: Jan Vlnas <git@jan.vlnas.cz>
Date:   Fri May 2 01:57:37 2014 +0200

    Setup Code Climate #15
Pimp My Travis: reduce email noise, add IRC (close #110)
Moar badges! (Code Coverage #15)

[ci skip]
Change Teambox to Crewmate in specs, refs #101

Change the specs to reflect the fork new name. File names haven't been changed

Changing the Teambox for crewmate in the footer to fix build (see https://travis-ci.org/crewmate/crewmate/jobs/24214534)

Change what the test should expect from the formating of a long commit name

Fixing typo introduced in 7f57a1e

Change teambox for crewmate in the mailer model.Fix the failing test expecting crewmate.org

Changing from 2 to 3 dots to the ellipsis test for commits
Merge branch 'master' of https://github.com/crewmate/crewmate
Changing Teambox to Crewmate in public pages.The testimonials are still using the teambox name as i cannot change what people have said or it would be a lie