drop 5.10 dep

	modified:   dist.ini
	modified:   lib/POEx/IRC/Backend.pm
drop unneeded 'use 5.10' in Connect, Role::Connector

	modified:   lib/POEx/IRC/Backend/Connect.pm
	modified:   lib/POEx/IRC/Backend/Role/Connector.pm
cleanups

	modified:   lib/POEx/IRC/Backend.pm
	modified:   lib/POEx/IRC/Backend/Role/HasWheel.pm