Dileep | 2318 | Showing deleted data sender name in survey response list also enabled filter on Unknown ds

Unknown ds in context of submissions without matching ds in system.
anishek/ashwin | corrected inital_data.json to point to the correct ngouserprofile primary key for mamy@mailinator user id:
Dileep | 2318 | Funcitonal test fix for deleted datasender
Dileep,Pooja | 2318 | Functional test fix for deleted user in activity log
Heri|2279: Show email address on edit datasender page
Heri|#2327: Fixing defects for website changes
Dileep,Pooja | 2318 | Funcitonal test fix for deleted datasender
Ashwin / Pooja  | #2298 | Optimising my_sybject_tests
Dileep,Pooja | 2318 | Functional test fix for deleted user in activity log
Anishek/ashwin | #2298 | trying out parallelization on ci to see if time improves
Revert "Anishek/ashwin | #2298 | trying out parallelization on ci to see if time improves"

This reverts commit b82e943bfaf8e649fd27a6841739b4ec07ffced5.
Dileep/Pooja | #1942 | Adding a scheduler for updating view indexes once a day.
Dileep | fixing send sms to use unicode message
Dileep/Pooja | 2279 | Extracting method to get user by reporter id and organization
Pooja / Ashwin | #2330 | Fixed filters being hidden after filter results returns empty in submission log page.
Pooja | #0000 | Enabling email support on QA in case of django errors
Update initial_data.json

Ngouserprofile for mamy account is set to same value as prod, this is different on local machines and have to be rectified, changing this now as the sms api user group has to go in.
Correcting tests.
Merge branch '7_1_release' into develop