account settings - change password
refactored change_password to use exceptions, added tests to model & view
small display change
small display change
Merge branch 'develop' of github.com:CenterForOpenScience/osf.io into feature/account-settings-password
Merge branch 'develop' of github.com:CenterForOpenScience/osf.io into feature/account-settings-password
Merge branch 'develop' of github.com:CenterForOpenScience/osf.io into feature/account-settings-password

Conflicts:
	website/profile/views.py
Merge branch 'develop' of github.com:CenterForOpenScience/osf.io into feature/account-settings-password
Merge branch 'feature/account-settings-password' into develop