Merge pull request #380 from modilabs/file_uploads

file uploads code (but disabled) including new submission handling
widened geopoint widget search bar, closes #374
widened geopoint widget search bar, closes #374
added scaffolding for drishti interface, added basic JSON to XML conversion functionality
rebuilt
added XML to JSON conversion
added XML to JSON conversion (source files)
improved total load time logging when enketo is in debug mode
rebuilt
mocked form and instance db interaction, added functionality to load any (mocked) drishti form to enketo.html by using the form_id query string, added functionality to load an existing (mocked) JSON instance by using the instance_id query string
added (failing) drishti tests, changed mock variable and file name for other tests
rebuilt
you be quiet Travis!
preservation of case in nodeNames, adding id property to first instance node,  fix tests
rebuilt
Merge pull request #383 from modilabs/drishti_json

Drishti json
Merge pull request #384 from modilabs/drishti_json

Drishti json
Merge pull request #125 from modilabs/master

geopoint search bar fix + drishti json layer