Merge pull request #107 from read-write-web/plantainFix

Plantain fix diff implementation #106
[ldpatch] Prefix + Add
[ldpatch] parse LDPatch
[ldpatch] first pass at LD Path semantics
[ldpatch] prevents the parser from capturing a bnode in the graph
[ldpatch] split LDPatch into two separate traits: Grammar and Semantics
[ldpatch] simplified abstract model
[ldpatch] replaced EverythingBefore in the model with a Range starting
at index 0
[ldpatch] updated the grammar to reflect recent changes
[ldpatch] added example from the spec
[binder] scala.Int should be an xsd:Integer, because that's how it's
defined in Turtle
[ldpatch] changed project name s/patch/ldpatch/
Merge pull request #108 from betehess/ldpatch

A complete LD Patch
Merge remote-tracking branch 'w3c/master' into rdfstorew

Conflicts:
	project/build.scala