1) Make error message for bad node name more descriptive.
2) Enable disabling of standard space controller bundle activator.

[Review issue 3342001]
1.6.5 release
Merge branch 'release-1.6.5'
Merge fix
Merge branch 'release-1.6.5' of https://github.com/interactivespaces/interactivespaces into release-1.6.5
Update merge from local master.