adding icons to bokeh controls, refactor frame slightly
updating frame
updating plot frame per team feedback
Merge branch 'master' into lila/frame-improvements
adding tooltips on hover
correcting problems noted on PR by @mattpap
a few enhancements for travis_install
adding default tool image
wrapping up frame improvements
Merge pull request #745 from ContinuumIO/lila/frame-improvements

frame improvements
fix #571
fix problem with num minor ticks args
Merge remote-tracking branch 'origin/master' into feature/tornado
websocket startup script