Triples update: more default prefixes, underscore support, request for incoming triples
bugfix for 1198
code review changes
review changes 2
review changes 3
minor changes
Merge pull request #1201 from GiorgiyLutidze/tour_fix

bugfix for 1198
Code to determine ownership for triple
bNodes support complete. More unit tests added
Adding support for VS2013
Merge with master
Merge branch 'master' of git://github.com/sergey-berezin/ChronoZoom into sergey-berezin-master
Restore viewport pan and zoom constraints.
Added gray area around root when creating timeline or exhibit.