cbrelease-4.8.0_RC13: 4.8.0 phone reg (#183)

* Added 'phone' as mandatory attribute in user registration.

cbrelease-4.8.0_RC12: Merge pull request #181 from sunbird-cb/orgApiFixes

Org Search Api Enhancements

cbrelease-4.8.0_RC11: New Health Check service for cb-ext (#177)

* New Health Check service for cb-ext

* Review changes

cbrelease-4.8.0_RC10: Merge pull request #176 from sreeragksgh/cbrelease-4.8.0

Fix for NIC ORG list issue

cbrelease-4.8.0_RC9: Offensive Data Report APIs (#175)

* APIs for Offensive Data Flags

cbrelease-4.8.0_RC8: Fix for CB-EXT to accept multiple ES IPs and Ports (#174)

Added handling for multiple IPs for Elastic Search

cbrelease-4.8.0_RC7

Code merged from PR #173

Assessment v2 Feature release

cbrelease-4.8.0_RC6

Fix for userId validation

cbrelease-4.8.0_RC5

Fixes for user registration flow.

cbrelease-4.8.0_RC4

Merged commits from - 09b896d, 0a5e3fe, 1e2bcae, b25ef5f and 4272bcf