InstData Import: split out retrieve file methods into separate modules
InstData Import: make tests use env genome-perl
InstData Import: add test for source_file_Retrieval_method to helpers; use array and uniq to get retrieval methods
InstData Import: retrieve from remote url test uses file:// protocol instead of overloading LWP::UserAgent
InstData Import: suggestions from picky pants Tom
CgHub Metadata: amke file size for file retrun size in bytes not kb
InstData Import: reorg retrieve classes as requested from feedback
InstData Import: add https matches to retrieve methods for remote url
InstData Import: spell/grammar check
Merge pull request #334 from ebelter/cghub-import-instdata

InstData Import: pull out retrieve file methods into separate modules