Update doc/HOWTO-Install on BeagleBone.rst
Update doc/HOWTO-Install on BeagleBone.rst

spelling mistake in Congratulations
gskielian/SimpleCV,onaclovtech/SimpleCV,jlegendary/SimpleCV,beni55/SimpleCV,hurdlea/SimpleCV,sightmachine/SimpleCV2,gskielian/SimpleCV,sightmachine/SimpleCV,tpltnt/SimpleCV,sightmachine/SimpleCV2,tpltnt/SimpleCV,jayrambhia/SimpleCV2,tpltnt/SimpleCV,jyt109/SimpleCV,beni55/SimpleCV,onaclovtech/SimpleCV,beni55/SimpleCV,hayd/SimpleCV,nils-werner/SimpleCV,nils-werner/SimpleCV,tpltnt/SimpleCV,hayd/SimpleCV,nils-werner/SimpleCV,hayd/SimpleCV,gskielian/SimpleCV,hayd/SimpleCV,hurdlea/SimpleCV,jayrambhia/SimpleCV2,gskielian/SimpleCV,jyt109/SimpleCV,jyt109/SimpleCV,jyt109/SimpleCV,hurdlea/SimpleCV,hurdlea/SimpleCV,sightmachine/SimpleCV,hayd/SimpleCV,sightmachine/SimpleCV2,nils-werner/SimpleCV,sightmachine/SimpleCV,jayrambhia/SimpleCV2,beni55/SimpleCV,tpltnt/SimpleCV,nils-werner/SimpleCV,hurdlea/SimpleCV,jlegendary/SimpleCV,onaclovtech/SimpleCV,sightmachine/SimpleCV2,onaclovtech/SimpleCV,jyt109/SimpleCV,jlegendary/SimpleCV,sightmachine/SimpleCV,beni55/SimpleCV,sightmachine/SimpleCV,jlegendary/SimpleCV,jayrambhia/SimpleCV2,onaclovtech/SimpleCV,jlegendary/SimpleCV,gskielian/SimpleCV