adding updates to master
Merge branch 'master' of github.com:shawnbro/quick_shark
some wolfram alpha stuff
saving journeys
Merge pull request #22 from kdoyne/animation

saving journeys
Merge branch 'master' of github.com:shawnbro/quick_shark
added wolfram alpha stuff
Merge pull request #23 from shawnbro/wolframAlpha

Wolfram alpha
improved path semantics, refactored routes
more refactoring
Merge branch 'master' of github.com:shawnbro/quick_shark
complete merge
beginning of journey visual
fixed merge conflict in journey_data
journey visualization of topics in bar graph by update_time - create_time