Summary:
Add a feature for moving cursor over a grapheme cluster.
It is applied to edje_entry.c and elm_entry.c for improving
cursor handling just like other modern text editors. ex) gedit
The patch on Evas needs to update libunibreak library.
So, the patch will update libunibreak, too.
@feature
Test Plan:
1. Put "ഹലോ" in your entry.
2. Your cursor can reach at the end of text from the beginning
only in 2 right key event with this feature.
Reviewers: raster, cedric, jpeg, herdsman, zmike, devilhorns
Reviewed By: herdsman, zmike
Subscribers: #reviewers, #committers, zmike, bowonryu, woohyun
Tags: #efl
Differential Revision: https://phab.enlightenment.org/D5490