v 0.0.5 alpha released

From this version, you can manually set relations between existing Joomla users and existing OpenSim users. A new button under \"user\" is added for this.

In case, no database connection to the opensim database could be established, the modules wont screw up whole joomla anymore: gridstatus module will show up as \"offline\" and friends module just wont show up at all. At the frontend component an error page will be displayed and in the admin component error messages will indicate, that something goes wrong with the \"external\" connection.