fix itext savebutton linking
fix typos
fix: don't link itext on copy
add deps image to version control, remove Grunt
add requirejs JSON plugin
fix dependency name
remove unused vendorized underscore
get built version working

Solution was to add a 'vellum': '.' path config and then change relative
dependencies from './' to 'vellum/'.
fix multimedia upload issues
update .travis.yml
Merge pull request #111 from mwhite/travis

update .travis.yml and test pull request hook
remove console.log and generate source maps
don't generate source maps

They seem to get requested dozens of times in HQ, so avoiding for now.
remove unnecessary indirection
catch xpath parsing exception
be safer with event handler calling widget.updateValue()
fix display of errors for current mug on property change

introduced in 4c391f9
fix: don't show dropdown next to hidden value

introduced in 4c391f9
fix issue introduced in 8d2ce13
fix language name lookup

(the JSON file format is different than the response returned by
langcodes.json in HQ)