requeue workunits when the hosting client gets suspended
save output data in 'cache' at awe-client while uploading to shock
dataMover checks local cache for input data before actually fetching file from shock
make client side cache configurable
Merge pull request #176 from wtangiit/master

basic client side data cache operation code
bug fix for awe_submit.pl, changing varibale replacement mechanism; merge awe_submit.pl and awe_submit_auth.pl
minor fix for awe_submit.pl
Merge pull request #178 from wtangiit/master

[addressing issue #177] fix for awe_submit.pl: changing variable replacement mechanism; merge with awe_submit_auth.pl to support token
Merge branch 'master' of github.com:MG-RAST/AWE into playground