added hierarchy as option for form layout
merged latest dev
fixed for tests
updated to jquery 2.0.3 and added angular-dragdrop
added angular-dragdrop
added a name field to the hierarchy model and tidied up directives
changed fa to fng for name space
changed display of name field
added new tests for hierarchy directives
added unique counter for adding and removing hierarchical elements
Merge branch 'dev' into hierarchy
tidy up
added test for element numbering
doesnt remove hierarchy element if it has children
form hierarchy with drag drop. Fixed error with editing correct element
added ui-sortable syntax to templates
added ui-sortable
added ui-sortable to script loader
stopped insertion into own group
added spec for drag-drop and disabled as not complete