Added user roles to amaint user api

Example URL:
-http://<server>/sfu/api/v1/amaint/user/<usermame>
-http://<server>/sfu/api/v1/amaint/user/<username>/roles
Merge pull request #84 from ronvs/Add-user-roles-to-user-api

Added user roles to amaint user api
Update course_form to point to refactored SFU model in sfu_api
Merge pull request #85 from ronvs/Add-user-roles-to-user-api

Update course_form to point to refactored SFU model in sfu_api
Adding sis_batch_id to the user enrollment API
Merge pull request #86 from ronvs/adding-sis_batch_id

Adding sis_batch_id to the user enrollment API
remove sfu-specific lines from .gitignore
Merge pull request #87 from grahamb/fix-gitignore

remove sfu-specific lines from .gitignore
Merge branch 'refs/heads/sfu-develop' into sfu-deploy