GetParents methods added

IRebuild has GetParents method that returns the collection of immediate
parent irebuild objects
ExtractCurves
Find Item and Watermark added to Sail

now sail delegates to igroup for searching/watermarking, will allow for
more complex nested igroup structure
autocomplete stuff for Cof curves
fuck it i hate this shit
Merge remote-tracking branch 'origin/Development' into Dev-Dave

Conflicts:
	Warps/Curves/CurveGroup.cs
	Warps/Equations/Equation.cs

this program was written by fucking monkeys
Curve Editors Cleanup

CurveGroup Editor and MouldCurveEditor polishing
Merge remote-tracking branch 'origin/Dev-Dave' into Development