a few more wwa-specific adjustments
Merge branch 'wwa_tests' of github.com:umd-mith/scalanvas into wwa_tests

Conflicts:
	core/src/main/scala/sga/rdf/zones.scala
trait for lessing
adjusted top, dealt with columns
I merged some changes from Travis's fork
dealing with multiple running_head zones; this replaces the old top zone
dealing with marginalia and running head zones
added package for wwa
added resources for wwa
Merge pull request #1 from raffazizzi/wwa_tests

Wwa tests