vlm setup

* moved vlm.sh to vlm folder
* modified it to just launch cvlc with cli interface and setup server
* added perl script to generate config file which sets up a number of channels, video on demand

usage:
$ vlmcfggen.pl vodcfg file1.mp4 file2.wmv
$ vlm.sh
> vlm
> load vodcfg

on client:
$ vlc rtsp://host:5554/T0
add dox and TODO