add MPlayer::stop()
add MPlayer::stop()
Merge branch 'feature/stop' of https://github.com/heffebaycay/mplayer-plugin into feature/stop

Conflicts:
	PluginMPlayerAPI.h
Added an optionnal boolean argument to sendCommandFeature() to control MPlayer pause loop.
Updated playAtPosition() to use this new argument.
Comments of playAtPosition and stop methods
add MPlayer::stop()
Added an optionnal boolean argument to sendCommandFeature() to control MPlayer pause loop.
Updated playAtPosition() to use this new argument.
Comments of playAtPosition and stop methods
Merge branch 'feature/stop' of https://github.com/heffebaycay/mplayer-plugin into feature/stop