clarify switch between price set and manual membership
doing the same for contribution form
template cleanup
CRM-12597

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* CRM-12597: CLONE - Undefined variable: val in CRM_Contribute_BAO_Query::whereClauseSingle()
  http://issues.civicrm.org/jira/browse/CRM-12597
CRM-12597

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* CRM-12597: CLONE - Undefined variable: val in CRM_Contribute_BAO_Query::whereClauseSingle()
  http://issues.civicrm.org/jira/browse/CRM-12597
Merge pull request #697 from agh1/manual-membership-and-price

Clarify switch between price set and manual membership (CRM-12575)
CRM-12563 Removed extraneous else and </table> tag. Fixed indenting throughout tpl file.

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* CRM-12563: Mismatched <table> tags in MembershipRenewal.tpl
  http://issues.civicrm.org/jira/browse/CRM-12563
worked on CRM-12551, fix the datatable break due to tab character
CRM-12562 Mis-named array item check in Batch.php was causing batch update to set participant role profile field as is_multiple (conditional on line 204 was checking for participant_role_id instead of participant_role).

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* CRM-12562: Batch Update Participant Roles Not Set, Not Checkboxes, Data Overwritten
  http://issues.civicrm.org/jira/browse/CRM-12562
Merge pull request #723 from davecivicrm/CRM-12563

CRM-12563 Removed extraneous else and </table> tag. Fixed indenting thro...
Merge pull request #725 from davecivicrm/CRM-12562

CRM-12562 Mis-named array item check in Batch.php was causing batch upda...
Merge pull request #722 from dlobo/CRM-12597

CRM-12597 - Handle changed / unknown fields in a better way
Merge pull request #724 from kurund/CRM-12551

CRM-12551, fixed datatable break due to tab character's
CRM-12606: do not escape() the strings twice.
Merge pull request #734 from mlutfy/crm12606

CRM-12606: do not escape() the strings twice.