Update passport.js to handle errors 

Updated  strategies to handle error when user tries to authenticate with a strategy after he has used his email to authenticate using other strategies.
Merge pull request #806 from exoer/patch-2

Update passport.js to handle errors
Adding mean.json and mean-admin core dependency
Included @veljkopopovic change to fix gmap, changed mongoose debug to false, changed debug to true for non-uglified code on development
Info architecture for 1st page ux
Update create.html

Added mean-token to submit button
Merge pull request #828 from ntadic/master

Added missing mean-token to create submit button.
More 1st page progress
Merge branch 'master' of https://github.com/linnovate/mean into 1stpageux
fixing lints and hints
First experience design
added makeapoint pic
more homepage fixes
hp push
1st oage work, added community sprite
Adding missing images
Update index.html
Merge pull request #837 from Squ34k3rZ/patch-13

Update index.html
fixed padding in info
Replaced background to Idans version