0.8dev: Change the help tips to icons in the Ticket action form. Refs #710.

Previously this change was implemented on the ticket form using !Javascript. It is not implemented on the batch modify form as well. The line height of items on the batch modify form has also been set in order to improve the vertical arrangement.


git-svn-id: https://svn.apache.org/repos/asf/bloodhound/trunk@1570412 13f79535-47bb-0310-9956-ffa450edef68