fixed DAO/BAO to latest ideas

CRM/Civirules/BAO/Comparison.php

CRM/Civirules/BAO/DataSelector.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/Upgrader.php

sql/createCiviruleAction.sql

sql/createCiviruleComparison.sql

sql/createCiviruleCondition.sql

sql/createCiviruleDataSelector.sql

sql/createCiviruleEvent.sql

sql/createCiviruleRule.sql

sql/createCiviruleRuleAction.sql

sql/createCiviruleRuleCondition.sql