fix, prog should not be a required attribute

This concerns agents who monitore a process who does already exists. In
this case a prog is not given, just a pid.
ignore tirion archives in the repository
put all dependencies in a shell file to make installing easier
fix, kill the program through the pid too
add a section on how to use the precompiled binary archives
add connection string documentation and clean up the quotation mess
proclaim version 0.2