adds an RPC method to report the pm2 version number
fix linter errors (undefined variables mostly)
Fix a typo
Merge pull request #348 from luin/master

Fix a typo in README
Merge pull request #339 from rlidwka/lint

fix linter errors (undefined variables mostly)
Merge pull request #320 from achingbrain/master

Adds an RPC method to report the pm2 version number
fix merge
Interactor
remove restart/delete/reload by path or script name