translations, updated from the Gtk+ version
RELEASE 0.15
core, GCAudio added an append() feature

It is now possible to append an audio file that will be played after
the previous one ends.
core, moved the intro play in main.qml instead of Menu.qml

Now we pass the main's GCAudio to the ActivityBase so that it can
be used to append() audio files and have them being played after
the intro audio instructions.
colors, added a repeat button. Play the audio after the intro

We now use the main's GCAudio item to append our voice in it.
Thus the first color audio instruction is not played during the
intro voice.