[polari] Bump version to 3.15.90

[Florian Müllner <fmuellner src gnome org>]

commit 9e7458d2aa1f47f865cf86b62cccd041300c4475
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Feb 23 21:31:32 2015 +0100

    Bump version to 3.15.90
    
    Update NEWS.

 NEWS         |   14 ++++++++++++++
 configure.ac |    2 +-
 2 files changed, 15 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 8ae27c1..0a85d59 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,17 @@
+3.15.90 - "Plenty of meat, only one potato"
+===========================================
+* Add high-contrast application icon [Jakub; #735670]
+* Fix picking up hyperlink color from theme [Florian; #743944]
+* Drop selection mode [Florian; #736481]
+* Improve a11y support [Florian; #743384]
+
+Contributors:
+  Matthias Clasen, Florian Müllner, Jakub Steiner
+
+Translations:
+  Inaki Larranaga Murgoitio [eu], Kjartan Maraas [nb], Kristjan SCHMIDT [eo],
+  Matej Urbančič [sl], Milo Casagrande [it]
+
 3.15.3 - "A desert holiday"
 ===========================
 * Suppress overshoot indicator when loading backlog [Florian; #740132]
diff --git a/configure.ac b/configure.ac
index 8223001..b4f5479 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([polari],[3.15.3],[https://bugzilla.gnome.org/enter_bug.cgi?product=polari],[polari])
+AC_INIT([polari],[3.15.90],[https://bugzilla.gnome.org/enter_bug.cgi?product=polari],[polari])
 
 AC_SUBST([APP_ID],[org.gnome.Polari])