official Avril's Online Staff module for Advanced Sidebox

- Official release of [Avril's Online Staff v1.0 module] (http://avril-gh.github.com/Online-Staff-module/) and implementation as default Online Staff module included within [Advanced Sidebox] (https://github.com/WildcardSearch/Advanced-Sidebox) package.
- Version of Advanced Sidebox release bump to 1.3.6