This renames all the rest of the API to the EFL namespace except for Eo_Event that will follow soon. Obviously breaks both API and ABI.
Summary: Use orientation APIs instead of horizontal get/set apis. Test Plan: elementary_test -to separator Reviewers: jpeg, cedric, Hermet, raster, singh.amitesh Reviewed By: singh.amitesh Differential Revision: https://phab.enlightenment.org/D3984