[HatoholArmPluginGate/Interface] Organize the virtual function

Remove the unnecessary function(wrapper) from HatoholArmPluginInterface.
Rename function	name.
onCreateSelfHostinfo        -> setInitialPluginTriggerInfo
onSetTriggerEvent           -> setPluginTriggerEvent
onCheckArmPliuginConnection -> checkPluginConnection
onEndArmPliuginConnection   -> endCheckPluginConnection
onSetAvailabelTrigger  	    -> setPluginAvailabelTrigger
onCreateTriggerInfo    	    -> createPluginTriggerInfo
onCreateEventInfo      	    -> createPluginEventInfo