Merge pull request #727 from brooksryba/develop

Develop
Fixed Tables
Merge branch 'develop' of github.com:sightmachine/SimpleSeer into develop
Added new arrows
Merge pull request #728 from ahomatthew/develop

Develop
fix pagination order in filtercollection
Merge pull request #729 from Tendrid/develop

fix pagination order in filtercollection
Update Measurement.py

new behavior: measurement plugins run even when no features present
make motiontrend handle zero feature case
fix typo in measurement conditional