[automake] remove long time deprecated automake macros and variables which are removed finally in automake-1.13

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Send mute commands to players not using AE
Add key mapping for the power button
Add support for sleep key in Linux
Move the Nyxboard sleep key mapping to the main keymap
Use key name not id in the Nyxboard mapping for F4
Merge pull request #2070 from sraue/automake-fixes

[automake] remove long time deprecated automake macros and variables whi...
[fix] only start service addon if there is no other instance running
[fix] stop service addon before attempting to uninstall/delete it
remove duplicate code in "CAddonDatabase::DisableAddon()"
[CoreAudioAE] Fix CFString copy function in CCoreAudioHardware::GetOutputDeviceName

Using UTF8 encoding might fail and return NULL. Instead we pass
CFStringGetSystemEncoding().
Merge pull request #2078 from tru/fix_ca_output_device_name

[CoreAudioAE] Fix CFString copy function in CCoreAudioHardware::GetOutputDeviceName
[fix] correctly handle service addon rollback process
check if hogPid was set before resetting it
Merge pull request #2079 from amet/hogpid

[osx] check if hogPid was set before resetting it
Merge pull request #2071 from amet/uninstall_services

[fix] Uninstall and rollback services correctly
[osx] - enlarge that hogstatus comment a bit :D
Merge pull request #2063 from popcornmix/mute_without_ae

Mute without AE
cosmetics
[aml] fixed mute and volume control