updated version details in code
updated imports
updated migration script to account for existing scientific customizers
updated customize views now that guids are used instead of names for scientific properties etc.
using custom a_or_an filter
updated customizer js code to cope w/ new intialization fns
added custom size for atomic text field
using new js initialization fns for customization subforms
fixed sorting by field type
updated look-and-feel of inline help as per #77
additional changes to dealing w/ vocabularies now that keys are based on guids instead of names
updated test data
handled case where subforms are removed from editing form but then re-added prior to saving parent form
correctly updated label when adding subforms
updated tests to support new prefix structure
changed 'caveat' class to 'information' class
updated install directions
added requirements.txt
updated license
successfully adding blank subforms