explicitly check for doc.form.meta in a few places that threw errors
Merge pull request #1066 from dimagi/couch-cleanup

explicitly check for doc.form.meta in a few places that threw errors
update submodules
Merge pull request #1067 from dimagi/bump-jsonobject

bump jsonobject to 0.2.2
fix AggregateColumn args
remove 'previewer' restriction
Merge pull request #1068 from dimagi/cvsufix

fix AggregateColumn args, remove 'previewer' restriction
fix phone model facet
Merge pull request #1071 from dimagi/gdr

fix phone model facet
bump jsonobject version to 0.2.4