Merge pull request #186 from StochSS/master

Updating all the stuff from master back into develop
This merge includes the change that fixes the default StochSS seed to be random (and sets the GUI to -1)

Merge branch 'develop' of https://github.com/StochSS/stochss into develop

Conflicts:
	app/static/js/simulate.js
Adding template spatial.py editor handler
sdk update
Merge pull request #187 from StochSS/update_sdk_to_1.9

sdk update
Fixed bug where model conversion would not work right
Merge branch 'develop' of https://github.com/StochSS/stochss into develop
Merge branch 'develop' of https://github.com/StochSS/stochss into spatial2

Conflicts:
	app/handlers/spatial.py