Summary:
If item loop feature is enabled, item is moved infinitely.
1. add new widget api - item_loop_enabled
2. add smart event using new config - elm_list.c
3. add demo - test_list.c/list_focus
Reviewers: seoz, woohyun, raster, jaehwan, Hermet
CC: singh.amitesh, c
Differential Revision: https://phab.enlightenment.org/D619
auto-formatting scripts and i just spent a long time fixing the
results of one. the actual value of these macros is minimal at best
SVN revision: 66680