Fix Group Organization BAO not to error if the unique pairing up group_id & organization_id is passed in without the id
Merge pull request #2101 from eileenmcnaughton/CRM-13841

Fix Group Organization BAO not to error if the unique pairing up group_i...
CRM-13852 flush cache before saving activity filter pref
CRM-13852 remove default value as the key always exists so it will never be applied anyway
Merge pull request #2112 from lcdservices/CRM-13852

CRM-13852 flush cache before saving activity filter pref
Merge pull request #2116 from civicrm/4.4

Merge branch 4.4 into master