reset naming according to CiviCRM coding style

CRM/Civirules/BAO/Action.php

CRM/Civirules/BAO/Comparison.php

CRM/Civirules/BAO/Condition.php

CRM/Civirules/BAO/DataSelector.php

CRM/Civirules/BAO/Event.php

CRM/Civirules/BAO/Rule.php

CRM/Civirules/BAO/RuleAction.php

CRM/Civirules/BAO/RuleCondition.php

CRM/Civirules/BAO/RuleEvent.php

CRM/Civirules/DAO/Action.php

CRM/Civirules/DAO/Comparison.php

CRM/Civirules/DAO/Condition.php

CRM/Civirules/DAO/DataSelector.php

CRM/Civirules/DAO/Event.php

CRM/Civirules/DAO/Rule.php

CRM/Civirules/DAO/RuleAction.php

CRM/Civirules/DAO/RuleCondition.php

CRM/Civirules/DAO/RuleEvent.php

CRM/Civirules/Form/Rule.php

CRM/Civirules/Page/Rule.php