Hide sensitive fields from the API

Exclude the `salt` and the `hashed_password` from the API
Merge pull request #935 from AlmogBaku/master

Hide sensitive fields from the API
Adding cluster support for mean, running with serveral workers based on machine CPU. also adding WorkerID header to every response
Merge branch 'master' of https://github.com/EyalFingold/mean
fixing string on header
fixing debuging issue with cluster
Fixed "my bad" - link to nodeschool tutorial instead of codeschool...
disable cluster for tests
Update README.md
copy changes and route url updates
Merge pull request #947 from rncrtr/master

copy changes and route url updates
added deleting a package section
Merge pull request #948 from rncrtr/master

added "deleting a package" section
fixes the body state class for urls-with-params
Add support of injection grunt tasks into mean.

For more information see: https://github.com/AlmogBaku/grunt-mean
add getter that escape `name` and `username` from html
test prevent xss
Merge pull request #958 from AlmogBaku/HOTFIX-user-data

HOTFIX - user data
changing default aggregate to true

Might be related to the some of the interceptor bugs...
Seems to be a safer route.
unfortunatly disabling livereload refs #929