bugfix-stumps-editor: Fixed bug in stumpeditor.

The rules for body text on the edit stump page were not being assaigned
the correct id/index (all were -1) which was preventing multiple rules
from being saved.
bugfix-stumps-editor: Bumped version number to 0.2.1.
Merge pull request #74 from merchantwarehouse/bugfix-stumps-editor

Fixing Issue #73/#74
Merge branch 'develop' of https://github.com/merchantwarehouse/stumps into develop