Moved Properties to Denotation
WIP: a test for a graph with edge-only properties
Added another test
A working test for an edge-only properties graph
Updated docs; turned off one test which accidentally fails
Merge branch 'master' into refactoring/properties
Update docs

Conflicts:
	src/main/scala/ohnosequences/scarph/Denotation.scala
Merge branch 'refactoring/properties'