PackageLoader.TryLoadFrom and ReflectionOnlyTryLoadFrom - helper methods to support safely loading managed assemblies
Clean up comments
Merge remote-tracking branch 'upstream/master' into PMBinaries
Merge pull request #2809 from pboyer/PMBinaries

Special checks to prevent loading un-managed assemblies in Package Manager
Merge remote-tracking branch 'origin/master' into SolarRadiation

Conflicts:
	src/DynamoCore/PackageManager/Package.cs