Merge pull request #20 from nicbell/master

Added Travis CI to validated if Kickoff builds
Update authors
Change travis image
Removing Icon from gitignore as was ignoring all files and folders with icon in the name.

Choreographic helper variables also moved out of the way to the helper.scss file so that it is less confusing what they are doing and so that people know to set the variables in the variables.scss
Delete .svnignore
Fixed grid bug for wide breakpoint.
Also improved offset mixin and fixed offsetFirstChild mixin.