sort update properties to standardize diffs with dev branches
small refactor making way for updating parent cases
patch preloading to understand parent cases
add ability to update case parent
slight refactor
fix get_case_parent_xpath to accept empty string
remove .gitignore in preparation for merge
subtree merged in core-hq (update-parent branch)
Merge branch 'master' into core-hq-update-parent
Merge branch 'master' into core-hq-update-parent
fixed small issue with parent update commits
Merge pull request #228 from dimagi/core-hq-update-parent

Update and Preload to/from parent cases in UI