Move formatters to Plottable.Formatter, better docs and testing.
bring back flag check for testing.
trying to move test condition into actual test pages.
Updated gitstats data
Upgrade examples for tak
Change Identity formatter to show transformed values by default.

Also added tests for the Identity formatter.
add before() for global initialization
Merge pull request #541 from palantir/animators

Animators
Release version 0.17.0
Make General formatter the default argument in the Axis constructor.
Revert to previous style of default formatter (compiles correctly).
Commitchart update
rename renderer.ts to plot.ts to match class rename.
domainer started, brb
Merge pull request #533 from palantir/formatters

Add in formatters.
Merge pull request #547 from palantir/rename-plot

rename renderer.ts to plot.ts to match class rename.
Enable autoresize by default
Remove unneeded flag
Attempt to fix unit test failures
bug fix: dataSource = [] should cause new extent