[dweaver] Fix for bug 1314763. Changed the master-relation-changed hook to handle either apache 2.2 or apache 2.4 site configurations.
Add default key values.
  Charles Butler 2014-09-19  Correct linting issue in db_relation py 
  Antonio Rosales 2014-09-17 Add default key values.
  Jorge Castro 2014-08-13 [merge] [dweaver] Fix for bug 1314763. Changed the master-rel...