Changes in IBus 1.5.14

Don't warn if DISPLAY is not set (Matthias Clasen) 0432aa6
Install a DBus service file (Rui Matos) 84c18f1
configure: don't hardcode pkg-config (Marc-Antoine Perennou) b210c0d
conf/gconf: Fix SEGV in ibus_config_gconf_get_values (fujiwarat) a186059
client/gtk2: Fix SEGV with Wayland display (fujiwarat) 3ef21fe
ui/gtk3: Fix panel CSS format for GTK 3.20 (fujiwarat) a598ae2
engine: Implement Emoji typing with XKB engines (fujiwarat) 160d3c9
engine: Add emoji-list.html (fujiwarat) 0ed644c
engine: Use annotations/en.xml from unocode.org but not emoji-list.html (fujiwarat) 0ee1896
Fix typo in configure.ac (fujiwarat) f88c487
tests/ibus-engine-switch: Don't try to remove non-existing GSource (fujiwarat) 20068d9
Fix make dist (fujiwarat) eee7a13
Fix Croatian language code in simple.xml (fujiwarat) 028624f
Replace deprecated GSimpleAsyncResult with GTask since GLib 2.46 (fujiwarat) 239d363
Release 1.5.14 (fujiwarat) c3ceed4