Scrub tests if fs.files and chunks exist.  (So scrub does not crash on empty db)
Blob plugin changes:
- Fix measurement plugins to only count/measure blobs, not all features
- Add mean color for kinect depth measurement
Merge pull request #497 from demaagdk/develop

Arc related tweaks
Merge pull request #498 from brooksryba/develop

Updated styles to Kyles liking
disable fun mode
Merge pull request #499 from Tendrid/develop

disable fun mode
fix blob_length measurement plugin
rename object plugin to objects for consistent naming
added alias of objects_foo to blobs_foo
Merge pull request #500 from demaagdk/develop

Plugin changes related to arc
Updated alert box style and behavior
Merge branch 'develop' of github.com:sightmachine/SimpleSeer into develop
Add option for scrub command to delete frame
Merge pull request #501 from demaagdk/develop

Add option for scrub command to delete frame
Updated arrows
Merge branch 'develop' of github.com:sightmachine/SimpleSeer into develop