Merge branch 'revert-animation-changes'
Add a 'pre-commit' hook to reject commits to 'master'
Add a 'pre-push' hook to reject pushes to 'master'
Merge pull request #690 from bradking/developer-setup

Add local hooks to prevent commits and pushes to 'master'
fixes issue with 1D plots receiving many Ds
Added test
add src png for test
Merge branch 'issue_689_1d_with_manyDs' into staging2