Fix a few warnings with jansson
Remove /SAFESEH compiler flag from 32bit release

For the strangest reason, it would cause errors when linking to ffmpeg
on the 32bit windows release build
Update test programs and filters

The test program and test filter wasn't working properly because the ID
for it had actually changed.

The test programs also weren't updated for the new main render callbacks
which must be used when making a program.
Merge branch 'master' of https://github.com/jp9000/obs-studio

Conflicts:
	test/osx/test.mm