Merge pull request #2 from ucb-ist-drupal/develop

OPENUCB-215: Updating Drupal 7.24 - merge to master after verifying on develop
Merge pull request #3 from ucbklu/openucb-214

OPENUCB-214: Security update for entityreference-7.x-1.1
Update build-openberkeley.make and drupal-org-core.make with comments regarding core updates
Update build-openberkeley.make and drupal-org-core.make with comments regarding core updates
(Merge branch 'master' of https://github.com/ucb-ist-drupal/openberkeley-drops-7 into develop)