do api tests on api-key screen
Merge pull request #5 from deepak-srivastava/api-key-save-test

do api tests on api-key screen
sync contacts per group custom settings + a utils helper file
Merge pull request #6 from deepak-srivastava/queue-sync

sync contacts per group custom settings + a utils helper file
sync mapping schema changes
Merge pull request #7 from deepak-srivastava/sync-schema

sync mapping - schema changes