Merge pull request #7 from deepak-srivastava/sync-schema

sync mapping - schema changes
Populate Custom List ID and Group options via apis
Merge remote-tracking branch 'upstream/master' into group-mailchimp-settings
Fixes for - Populate Custom List ID and Group options via apis
Merge pull request #8 from rajeshrhino/group-mailchimp-settings

Populate Custom List ID and Group options via apis
DAO generation for civicrm_mc_sync table