Stripping environment variables from the HttpInterface
#502 - #499 add none by default if not recognized
env.pm2_env.watch instead of env.watch #514
Improved watch documentation #514
Fixed test according to previous commit
Delete now stops watching if process has been watched
Forgot to remove exit clausure
bump fixes
Merge pull request #520 from soyuka/fix-514

Fix #514
Merge remote-tracking branch '511/master'