added fixture for create district admin
wrote initial tests for creating district admin
updated the menu for create district admin
added the get district fixture
adding the districts object to the config
wrote test for selecting district
wrote code for entering districts.
added code for first name
updated code for entering first name
created the enter surname unittest
made the enter surname unittest pass
updated fixture for registering district admin
added tests for registering district admins date of birth
added code to post district admin data to back end
added test to check wrong date fornat
changed name to reg_district_official_dob from reg_district_dob
updating ID number in fixture
added test to check for ID number
added code to verify ID number
made changes to fix old unittests failures brought by new code