waiting list signup fixes, CRM-14225

----------------------------------------
* CRM-14225: Waitlist signup not working for full paid events
  http://issues.civicrm.org/jira/browse/CRM-14225
Merge pull request #2672 from kurund/CRM-14225

waiting list signup fixes, CRM-14225
Merge pull request #1773 from davejenx/CRM-8338-merge-by-household

CRM-8338 implement CRM_Contact_Form_Task::mergeContactIdsByHousehold(), ...
Merge pull request #2673 from kurund/CRM-8338

backport household merge fixes to 4.4, CRM-8338
CRM-14351 fix - Impossible to add SoftCredit row once deleted on New Contribution form

http://issues.civicrm.org/jira/browse/CRM-14351
-- CRM-14113 fixed search builder error for activity type and activity status

----------------------------------------
* CRM-14113: Activity Search Builder
  http://issues.civicrm.org/jira/browse/CRM-14113
Merge pull request #2681 from pradpnayak/CRM-14113

-- CRM-14113 fixed search builder error for activity type and activity s...
Remove activityChangeStatus.js
CRM-14215 - add no-popup class to case links
CRM-10693 HR-310 - Use ajax framework to view case activity & revisions
CRM-13966 - Simplify reassign case form with ajax framework and select2
CRM-14148 fix half hour timezones for d7

Fix on previous patch on d6 version
CRM-14310 - Fix issue with custom validation not firing on Event Info and
Settings page.

This commit makes both custom validation work and allows the form the reload with the values that were attempted to be submitted, rather than the previously successfully submitted values.
Remove stray debug statement
CRM-10693 HR-310 - Use ajax framework for edit case activities, relationships, etc
Merge pull request #2678 from monishdeb/CRM-14351

CRM-14351 fix - Impossible to add SoftCredit row once deleted on New Contribution form
CRM-14259 Webtest for Contact Export
CRM-13973 : fix for #comment-58346
CRM-14355 - test auditing existing limit behaviour

----------------------------------------
* CRM-14355: make api treat limit = 0 as an unlimited request
  http://issues.civicrm.org/jira/browse/CRM-14355
CRM-14259 Further Improvements