Fix hacking N302 import only modules

* Includes some general tools/hacking cleanup
* Fix several N302 cases
* Disable N302 until all cases are fixed

Change-Id: Iddba07ff13e10dc41a6930749044bb8c0572d279
Merge "Fix hacking N302 import only modules"
Merge remote-tracking branch 'citrix/master' into build-temp