Email address is now entered in the download confirmation window.
General refactor of common code.
Moved test in line with code changes.
Added email validation to the confirmation window.
UI tidy up.
Corrected dependency order.
Fix bug where out of scope variable was being referenced.
Missing semicolon, useless parameter logging.
Merge pull request #1064 from aodn/netCDFDownloadEmailAddress_2

Net cdf download email address 2