[yelp] Created tag 3.18.1

[Shaun McCance <shaunm src gnome org>]

The signed tag '3.18.1' was created.

Tagger: Shaun McCance <shaunm gnome org>
Date: Mon Oct 12 15:44:42 2015 -0400

    Version 3.18.1

Changes since the last tag '3.18.0':

Andreas Henriksson (1):
      Fix linking error for undefined reference to hypot

David King (1):
      Link libyelp, not libyelpcommon, with libm

Shaun McCance (1):
      Version 3.18.1

Tom Tryfonidis (1):
      Updated Greek translation

Trần Ngọc Quân (1):
      Updated Vietnamese translation

Милош Поповић (2):
      Updated Serbian translation
      Updated Serbian Latin translation