Enabling UUID in file upload
Hiding UUID input for upload tool
Improvements to API import/export test case.
Actually do some verification of imported history, eliminiate use of deprecated mixin, timeout operations that 'wait', break up big function and name test better.
Merged in kellrott/galaxy-farm/upload_uuid (pull request #463)

Enabling UUID in file upload
ToolForm: Add repeat blocks, refactor conditionals, fix styles, pack scripts