Bug 965326 - [mozprocess] Add poll() method to ProcessHandler. r=jmaher, r=ted
Bug 968472 - Bump mozprocess to 0.16
Bug 967595 - [mozrunner] Calling process_handler.proc.poll() returns 0 if the application is still running after a restart. r=ahal
Revert "Bug 967595 - [mozrunner] Calling process_handler.proc.poll() returns 0 if the application is still running after a restart. r=ahal" due to Travis failures.

This reverts commit 3fc539587a5b4155ff8eb56115e7ed5a9702c6c5.
Bug 968321 - Make manifestparser keep track of DEFAULTS in manifests with no tests. r=jmaher
Add missing file from previous commit
Bug 968718 - [mozprocess] Calling wait() twice after kill() returns 0 instead of -sig. r=wlach, r=jgriffin
Bug 967782 - [mozprocess] kill() should wait for the managed process to be stopped. r=jgriffin
Bug 969276 - Bump mozprocess to 0.17 and mozInstall to 1.10
Bug 967595 - [mozrunner] Calling process_handler.proc.poll() returns 0 if the application is still running after a restart. r=ahal
Bug 968508 - Bump mozrunner to 5.34