CRM-14446 contact.get api tests + fix on date filters

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* CRM-14446: Contact.get api - birth_date & deceased_date fixes
  https://issues.civicrm.org/jira/browse/CRM-14446

Conflicts:
	tests/phpunit/api/v3/ContactTest.php
CRM-14446 contact api.getfields declare birth_date & deceased_date high low filters so they will accept strtotime strings

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* CRM-14446:
  https://issues.civicrm.org/jira/browse/CRM-14446

Conflicts:
	tests/phpunit/api/v3/ContactTest.php
CRM-14389 - CiviMember API - Fixes a membership get API regression that caused membership type to be ignored

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* CRM-14389:
  http://issues.civicrm.org/jira/browse/CRM-14389
CRM-14389 membership api - add test for fix

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* CRM-14389: Get memberships api ignores membership_type_id if contact_id is present
  https://issues.civicrm.org/jira/browse/CRM-14389

Conflicts:
	api/v3/examples/Membership/Create.php
	api/v3/examples/Membership/Get.php
	api/v3/examples/Membership/Update.php
	tests/phpunit/api/v3/MembershipTest.php