Revert "Switch timeseries visualization to c3. Fix #215."

This reverts commit 58cc70aaa6f9d1600fc32ebcb37db2de11746e28.
Merge pull request #270 from Locu/undo-c3

Revert "Switch timeseries visualization to c3. Fix #215."
Disable validation on pycode
Merge pull request #271 from Locu/no-pycode-validation

Disable validation on pycode
New boardlist route and slight reorganization
Fix padding, color, negative axis, and resizing issues in Rickshaw
Merge branch 'master' into board-list

Conflicts:
	jia/jia/static/app/editboard/editboard.js
	jia/jia/templates/index.html
Merge branch 'board-list'
Jia dockerfile update
Fix #235, board state not clearing properly.
Merge pull request #301 from Locu/fix-235

Fix #235, board state not clearing properly.
Update push_branch.sh
Add option to force kill greenlets/proc on Executor shutdown
Use os.path.expanduser rather than os.environ['HOME']
New UI for Jia. Fix #109, fix #293.
Merge pull request #297 from Locu/ui

Jia UI refactor
Fix #308: broken CSV button
Make Jia Dockerfile creation more sane
Merge pull request #313 from Locu/fix-csv

Fix #308: broken CSV button
Make aggregate count arg optional. Fix #157.