CRM-13283 fix - Number of terms does not update the end date of membership

https://issues.civicrm.org/jira/browse/CRM-13283
--HR-329 Fix datatable DOM collision
--HR-321 Simplify case-activity forms and add case_status as a url param
Webtest Fix
Merge pull request #2873 from jitendrapurohit/PriceSet_Webtests

Webtest Fix
JS updates to support HR-337
Web Test Fix
Merge pull request #2878 from colemanw/js

JS updates to support HR-337
Merge pull request #2872 from PoonamNalawade/HR_321

--HR-321 Simplify case-activity forms and add case_status as a url param
Merge pull request #2877 from jitendrapurohit/Priceset_Webtest

Web Test Fix
TabHeader.js - extend to support HR-320
Merge pull request #2879 from colemanw/master

TabHeader.js - extend to support HR-320
Update action-menu styles
Merge pull request #2880 from colemanw/master

Update action-menu styles
HR-316 - Add crmRegion support to snippets and remove old div
HR-330 : case status should return filter=0 by default
Merge pull request #2884 from yashodha/HR-330

HR-330 : case status should return filter=0 by default
Merge pull request #2871 from divya-jose/HR-329-new

--HR-329 Fix datatable DOM collision
Merge pull request #2881 from colemanw/snippet

HR-316 - Add crmRegion support to snippets and remove old div
Fix case email table