dom-text-mapper:
 - Renamed lots of things for more consistency
 - Added support for handling img title and alt tags

dom-text-matcher:
 - Renamed lots of things for more consistency

dom-text-hiliter:
 - Renamed lots of things for more consistency
 - Added support for handling img title and alt tags
 - Fixed a bug (about uniting hilited char ranges inside a text element)

demo app:
 - Updated code	to match (old and new) API changes