Merge pull request #1083 from ahomatthew/develop

Throw error on bad file + to_validate and get_plugin fixes
Added blank image. Bad line in ignore
Merge pull request #1084 from brooksryba/develop

Develop
tolerance changes
Merge branch 'develop' of github.com:sightmachine/SimpleSeer into develop
adding tolerance to frontend
Merge pull request #1085 from Tendrid/develop

Tolerances fixes for the front end
Fixed Frame Schema