SPARQL improvements. Some example changes.

Changed chart search example to better fit upcoming blog entry
Got the SPARQL search bar, iri results list, and entity (iri) facts
list working in a basic way.
Updated upcoming features in plan.
Completed initial semantic widgets
Node JS fixes

Fixed window not defined issue
Fixed rendering error to XML document in node.js (added jsdom
dependancy)
Migrated test framework to Mocha and added runtests.sh script
NPM version bump
Distribution downloads and docs updated
Added node.js fixes from issue #34 . Issue now closed.

Added support for res.on('readable'…) in digest wrapper
Only providing content type header if a GET request, and not already
provided by client call.
Adding JSON accept header, unless already added by client call.
mocha tests fixes

Fixed basic trans tests
Corrected slow and timeout values
Altered saveall and saveall2 for 100 instead of 10000 requests
Various dls and semantic widget improvements

Added DLS functionality for loading a list of rules, and rule details
Updated markings widget to use a derived_from relationship, linking
graphs to the content they were implied by
Added CSS styles for triple/sparql widgets
Completed sparqlbar, sparqlresults, entityfacts widgets
Completed working sample allowing an entityfacts widget to display the
list of documents the graphs were defined from in a standard
searchresults content results widget.
Version bump for npm
Rebuilt docs and binaries
Last new functionality release before end of June
added extra bug
Renamed to MLJS globally
Fixed search box query parser. Rebuilt docs, packages. Retested web version
Updated progress targets
refactored widgets to use searchcontext helper object defined in mljs core

Added central search context object for ease of event coordination
Register function means no widget self registration needed
Refactored test pages to use new context widget, reducing code base
Updated planning document
Updated docs and builds
Updated targets
Variety of bug fixes

Fixed chart String.startsWith issue on Safari
Added More… less… support
reworked demo project with content loading for ease of getting started
planning feature update