Added indicator arrows between columns
Made column arrows clickable, added title to nav bar and styled.

- Styled 'saved' indicator
- Tweaked column spacing
Added link and styling to header tagline
Merge pull request #89 from apesic/branch-ornamentation

Added clickable column arrows, added title to nav bar.
Add/style help modal and change focus style on tour buttons
Merge branch 'master' of https://github.com/woolly-bear-caterpillars-2014/threeSentences