started testing different trimming situations
aa
first implementation of trim complete - needs further testing
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/scala/com/siigna/module/cad/modify/Trim.scala
	src/main/scala/com/siigna/module/cad/modify/TrimmingMethods.scala
	src/test/scala/com/siigna/module/cad/modify/TrimSpec.scala
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
trim draworder test