CRM/Core - Cleanup boolean expressions

CRM/Core/Action.php

CRM/Core/BAO/ActionLog.php

CRM/Core/BAO/CMSUser.php

CRM/Core/BAO/ConfigSetting.php

CRM/Core/BAO/CustomGroup.php

CRM/Core/BAO/CustomValueTable.php

CRM/Core/BAO/Domain.php

CRM/Core/BAO/SchemaHandler.php

CRM/Core/BAO/StatusPreference.php

CRM/Core/BAO/UFGroup.php

CRM/Core/BAO/WordReplacement.php

CRM/Core/Component/Info.php

CRM/Core/DAO.php

CRM/Core/Error.php

CRM/Core/Key.php

CRM/Core/Menu.php

CRM/Core/OptionValue.php

CRM/Core/Payment.php

CRM/Core/Permission.php

CRM/Core/PseudoConstant.php