update copy genome status dialog

	modified:   modules/lib/CoGe/Tasks/Genome/Copy.pm
	modified:   web/GenomeInfo.pl
	modified:   web/tmpl/GenomeInfo.tmpl
refactor template variables into global variables

	modified:   web/tmpl/GenomeInfo.tmpl
fix status dialog filename

	modified:   web/GenomeInfo.pl
fix irods export url

	modified:   web/tmpl/GenomeInfo.tmpl
fix generate_feature task

The generate feature task correctly returns the results on completion.

	modified:   modules/lib/CoGe/Tasks/Genome/Features.pm
	modified:   scripts/export_features_by_type.pl
Merge remote-tracking branch 'origin/jex-persistence-migration' into jex-persistence-migration