Note/Citation/Keyword improvements

New icon in the editor.
Keywords properly re-loaded now.
CWRC-Dialogs updated
Updated CWRC-Dialogs font
Fixed #195, wouldn't allow overlaps
Current path now shows entity
Fixed #196, now use entity when determining current tag
Note-type entities no longer get deleted accidentally
Fixed pasting of note-type entities
Note-type entities highlight in entities list now
Re-adding no-conflict datepicker
Note-type entities display their contents in tree
Bootstrap datepicker compatibility fix
CWRC-Dialogs query field now populated
Improved handling of Citation and Correction
Revised these 3 templates

Revised XML processing instructions statements to reflect new location
of schemas and templates.  Also revised RDF namespace and domain name
references.
Changed create to edit in CWRC-Dialogs
Merge branch 'development' of https://github.com/cwrc/CWRC-Writer into development
Properly sending edit info to CWRC-Dialog
Fixed #186
CWRC-Dialogs: added create and edit buttons