Configure rsyslog to catch logs from edx

* Touches directories and files into existence expected during setup for
  LMS and CMS
* Configures rsyslog to catch local0 and local1 from edx, and route into
  the appropriately named files in the appropriately named
  subdirectories
* Permissions updates to ensure rsyslog can write everywhere it's
  supposed to
* Restarts rsyslog after reconfiguration is complete
Merge pull request #55 from edx/feature/jrbl/logging_setup

Configure rsyslog to catch logs from edx