added new site
Merge pull request #43 from jaredwilkening/master

Thanks to Tobi for making this awesome status monitor page. Thanks to Jared for integrated it into AWE server.
query workunit by states
task io struct adds data url for the convienence of accessing data in shock
add 'optional' attribute to io struct (use case: if an output file is not generated ant it is 'optional', not to fail the workunit)
remove redundant field in pipeline template: io filename
reduce field in pipeline template: unknown node
Merge pull request #44 from wtangiit/master

misc enhancement