Refactoring of MetaTag main to allow for use as a library
I appear to have broken it.  Stashing for repair, testing from master.
fix class/classloader choice
Clean up main entry point a bit
Merge branch 'master' into jake/library_refactor_master_merge

Conflicts:
	src/main/scala/org/rexo/pipelinescala/extractors/AuthorEmailTaggingFilter.scala
	src/main/scala/org/rexo/ui/MetaTag.scala
	src/main/scala/org/rexo/util/AnalyzeAuthorEmailTagging.scala
Reduce logging
info -> trace
Refactor pipeline classes to handle taking a filename again
no default logging the info from the CitationTaggingFilter
cleanup
comments, cleanup
remove lazy
Merge pull request #3 from allenai/jake/library_refactor

Library-ization refactoring