[refs #115] Alter border radius application

Means that an item can be both the first and last (i.e. only) item.
Merge branch 'fix/options'

Thanks to @kevva for the idea.
Fix arrows object not getting colours set
Merge branch 'fix/arrows'
Update helper classes

Rename float and text modifiers, add flush modifiers.
Merge branch 'feature/helper'
Add compiled source
Merge branch 'master' of github.com:csswizardry/inuit.css

# By Harry Roberts
# Via Harry Roberts
* 'master' of github.com:csswizardry/inuit.css:
  Add compiled source
  Update helper classes
  Fix arrows object not getting colours set
  [refs #115] Alter border radius application