[Look and feel]
Styles applied to:
 - Home page
 - Create a game page
- Remove friend from game functionality
[Look and feel]

- Specs corrections
[Look and feel]

- Styles applied to new friend page
[Look and feel]

- bootstrap-datepicker-rails added.
- Datepicker added to 'scheduled on' game attribute in new game page.
- Remove friend from game spec.
Merge pull request #13 from insignia4u/look_and_feel

Look and feel