Made package reffind case insensitive
Remove Package from the pkg name in DM change log
Add clear search button on DM Change log
 Fixed Grails error when running a search with no results
Made title history labels more informative, added color coding on comparison exports
Corrections so that we dont get nulls on comparison exports. Removed timestamp from export dates. Added highligh color column on export.
Restrict the DM change log export to 10000 rows. Still need to return error message