revert Charts version to 3.1.1

wuxudong released this 08 Oct 09:44

· 108 commits to master since this release

abc2cd8

revert Charts version back to 3.1.1, because of bugs of Charts 3.2.0.
ChartsOrg/Charts#3673
ChartsOrg/Charts#3671

Some bug fixes.

Add stock k line example.

Assets 2