Bug 16281: Remove the use of 'onclick' from Reports module

Bug 16281: Remove the use of 'onclick' from Reports module

EDIT: Removing unnecessary functions

To test:

1) Go to Reports -> Dictionary
	a) Attempt to delete a definition. Confirm the Ok and cancel
           buttons in confirm dialog work as expected
2) Go to Reports -> Build new
	a) On each step of building a report, confirm the back button
           works as expected
	b) Confirm add column and delete column on step 3 works as
           expected
3) Confirm deleting a report from the toolbar triggers confirm dialog
   and it works as expected
4) Create a report with an SQL error and run it. Confirm that the
   'Return to previous page' link works as expected

Sponsored-by: Catalyst IT
Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>