add no-value options in example awf
support multiple raw inputs in .awf
add awf_submit.pl, job submitting script for .awf
awf_submit.pl fills data_server field
awe-server parses raw input url for awf submission
awf_submi.pl updates: download url, usage text
awe-server parses download url to host and node id
Merge pull request #62 from wtangiit/master

job submitting script for awf format: awf_submit.pl