CRM-13922 - Campaign - release respondents assigned to any interviewer

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* CRM-13922: release respondent search doesn't allow you to find contacts reserved to a different interviewer
  http://issues.civicrm.org/jira/browse/CRM-13922
CRM-13922 - Campaign - avoid undefined index error when releasing respondents

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* CRM-13922: release respondent search doesn't allow you to find contacts reserved to a different interviewer
  http://issues.civicrm.org/jira/browse/CRM-13922
UFGroup.php - Code cleanup
Merge pull request #2175 from colemanw/4.4

UFGroup.php - Code cleanup
html error - checked declared twice
Merge pull request #2179 from eileenmcnaughton/html-fixup

html error - checked declared twice
CRM-13919 - Improved form rule to handle add mode differently.

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* CRM-13919: Fatal error when user accidentally uses duplicate transaction # while recording a contrib.
  http://issues.civicrm.org/jira/browse/CRM-13919
Merge pull request #2181 from davecivicrm/CRM-13919a

CRM-13919 - Improved form rule to handle add mode differently.
fix typo
take into account the current_employer pseudo field
Allow Participant roles to be specified as an array
Merge pull request #2174 from jmcclelland/release-all-survey-respondents

Release all survey respondents
Merge pull request #2184 from eileenmcnaughton/typo

fix typo
Merge pull request #2188 from kirkatcaat/4.4

Participant BAO can accept role IDs in an array
Merge pull request #2187 from tttp/CRM-13949-current-employer

CRM-13949 take into account the current_employer pseudo field in api.contact.get