Resolve #24 - Update options button now says save
Resolve #22 - fix type on default role
Resolve #21 - Rename settings menu to CAS Client
Merge pull request #32 from esteen/dev

Resolves #21, #22, #24
Bump version to v1.2.0.0 for release
User_nicename now mapped to samaccountname

Fixed #34- User_nicename was being mapped to uid (for some users its sid).
Updated it to map to samaccountname.