Merge pull request #5151 from open-craft/mentoring-enforce

mentoring: Allow partial answers when dependency isn't enforced

requirements/edx/edx-private.txt

 # Requirements for edx.org that aren't necessarily needed for Open edX.
 
 -e git+ssh://git@github.com/jazkarta/edX-jsdraw.git@9fcd333aaa2ac3df65dd247b601ce0b56bb10cad#egg=edx-jsdraw
--e git+https://github.com/gsehub/xblock-mentoring.git@d4532e4f89aaf36b56715be2abc0f9402912794e#egg=xblock-mentoring
+-e git+https://github.com/gsehub/xblock-mentoring.git@4d1cce78dc232d5da6ffd73817b5c490e87a6eee#egg=xblock-mentoring
 
 # Prototype XBlocks from edX learning sciences limited roll-outs and user testing. 
 # Concept XBlock, in particular, is nowhere near finished and an early prototype.