Merge pull request #166 from kevb0001/umass_branch

Reformat Help
changed the colors and added color to nav-pills in bootstrap.css
'nm'
'matching'
started changing citations js to helper method
added dropdown to nav
added dropdown to nav
Tweaked the navbar. Started implementing tool tips
Added more tool tips and tweaked the UI a little more
Merge pull request #167 from ludamillion/umass_branch

Umass branch
tool tips comlete for nodes pages
Added more tooltips
Finish all tooltips except interactions page as that page is note complete
Merge pull request #170 from ludamillion/umass_branch

Umass branch
minor changes to citations not there yet
fixed merge conflicts
changes for temp fix on citations
still trying to get author_cites working
Merge remote-tracking branch 'upstream/umass_branch' into umass_branch
author_cites now working