- two new source directories - src/online, src/onlinebin
- src/Makefile modified to support compilation of optional modules(make ext)
- PortAudio installation script (tools/install_portaudio.sh)
- FasterDecoder's "private" section is now "protected"
- a demo script in egs/voxforge/online_demo



git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@1259 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8