Bump version to 3.11.90

To go along GNOME Shell 3.11.90

NEWS

@@ -1,3 +1,15 @@
+3.11.90
+=======
+* several fixes and improvements to the window-list
+  (can be scrolled, works correctly with the OSD
+  keyboard, filters skip-taskbar windows, does not
+  force all notifications to bold)
+* drive-menu fixed not to show shadowed mounts
+* updates for gnome-shell changes (launch-new-instance,
+  auto-move-windows, places-menu)
+* build system fixes for systems without /bin/bash
+* updated translations (or, tr, uk)
+
 3.11.5
 ======
 * updates for gnome-shell changes

configure.ac

@@ -1,5 +1,5 @@
 AC_PREREQ(2.63)
-AC_INIT([gnome-shell-extensions],[3.11.5],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell&component=extensions])
+AC_INIT([gnome-shell-extensions],[3.11.90],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell&component=extensions])
 
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([config])