A GObject wrapper for espeak, with a D-Bus service.

Simple test:
dbus-send --print-reply  --dest='org.tal.gdspeak' /org/tal/gdspeak org.tal.gdspeak.Speak string:"hello"

With priority setting:
dbus-send --print-reply  --dest='org.tal.gdspeak' /org/tal/gdspeak org.tal.gdspeak.SpeakPriority string:"hello"

With all available settings:
dbus-send --print-reply  --dest='org.tal.gdspeak' /org/tal/gdspeak org.tal.gdspeak.SpeakFull string:"hello" \
	string:fi uint32:1 int32:50 int32:50 int32:120 int32:80
