Log Message:
Update evas(-*) to version 1.7.9.

Changes since Evas 1.7.8:

Fixes:
   * Evas textblock: Fixed issue when parsing formats with quotes.
   * Evas textblock: Make the ellipsis format the same as the surrounding.
   * evas/wayland_egl: Skip makecurrent if re->win is NULL.
   * Evas textblock: Added proper size adjustments for "high" shaped texts.
   * Evas bidi: Fixed a bug causing BiDi not to work in some cases.
   * Evas textblock: fixed an issue with markup_get and markup_to_utf8
     behaving differently (markup_get was misbehaving).
   * evas/wayland_egl: Do not create a new surface if we already have one.
   * Fixed the textblock format to be drawn according to the glyph's
     horizontal advance width.