Fixing AddFixture code after creating generic RGB fixture.

The tests expected that there is only one generic fixture - generic dimmer.
Also added sorting for the Generic category and unit test runner script.
Merge pull request #124 from janosvitok/generic-rgb-fix

Generic rgb fix
Minor graphics change to address tool
Updated Blizzard Puck Fab5
Added fixtures: High End Systems Technobeam, High End Systems Trackspot, High End Systems Xspot Xtreme, ReelEfx DF-50 (thanks to Louis Gutenschwager)
Added fixtures: Mac Mah Mac Follow 1200, Proel Tarkus 575 Spot, Showtec Sunstrip Active (thanks to Julien Poilvilain)