Merge pull request #244 from bulwahn/master

timer-tests: initial commit
speech-tools: initial commit
festival: initial commit (resolves #241)
audio-common-msgs: initial commit
sound-play: initial commit
Merge pull request #242 from KristofRobot/festival2

speech-tools, festival, audio-common-msgs and sound-play: initial commit
Correcting license from wxWindows to WXwindows (resolves #247)
sphinxbase: initial commit
pocketsphinx: initial commit
ros-pocketsphinx: initial commit
Merge pull request #251 from KristofRobot/ros-pocketsphinx

pocketsphinx - initial commit
Merge pull request #249 from KristofRobot/wxWindows

licenses: adding wxWindows license (resolves #247)