- Update to version 4.18.0
* Update copyright year
* Update bug report address
* player: Prevent infinite cycle when setting volume (#119)
* Update some icon names (!17)
* Reduce hiding controls to 2 seconds (Fixes #80, !12)
* autoconf: Some updates
* Update `.gitignore`
* build: Replace DATADIRNAME no longer set by xfce4-dev-tools >= 4.17.0
* build: Bump GLib minimum required to 2.38
* autoconf: Use AC_CONFIG_MACRO_DIRS (!14)
* Fix memory leak when loading cover image (#98)
* Fix compilation warnings (!11)
* Makefile.am: INCLUDES -> AM_CPPFLAGS
* autoconf: Some updates
* Remove the deprecated keys from desktop file (!9)
* Translation Updates (forwarded request 1066573 from manfred-h)