saves chart with type (line/bar etc)
save chart with type add underscore
Merge branch 'feature/visualisations' of codebasehq.com:playgen/celar/datacon into feature/visualisations
Remove labels from overview grid.
Merge branch 'feature/angular' into feature/visualisations
Moved validations & chart into separate methods.
sped up correlation
Merge branch 'feature/visualisations' of codebasehq.com:playgen/celar/datacon into feature/visualisations
User info & update API.

- Added GET /api/user for getting user's email & username

- Added PUT /api/user for updating email & password
Added user profile API methods
Merge branch 'feature/visualisations' into feature/angular
Profile page
Merge branch 'feature/angular' of codebasehq.com:playgen/celar/datacon into feature/angular
API methods to get home page data, user reputation and discoveries made
Merge branch 'feature/visualisations' of codebasehq.com:playgen/celar/datacon into feature/visualisations
Merge branch 'feature/visualisations' into feature/angular
fixed getchart not returning if there were no validators
Merge branch 'feature/visualisations' of codebasehq.com:playgen/celar/datacon into feature/visualisations
Fix get validated discoveries request
Populate other tabs on profile page