Merge pull request #390 from tornel/translation

Update Spanish Translation
Doc improvements
New fixture: Martin RUSH Par 1 RGBW (thanks to Russell)

New fixture: Chauvet SlimPAR QUAD 12 IRC (thanks to Robert Box)
New fixture: Cameo LED Colour Bar RGBA (CLBAR10RGBA) (thanks to René Brixel)
New fixture: Showtec Led Air Cone Pro (thanks to Joep Admiraal)
More doc improvements
Translate two new strings to german
Updated catalan translation
RGBScripts: added circles.js
Store relative paths to monitor and widget backgrounds
Change word "gap" to "width" in capabilities editor.
Speed dial doc improvements
Merge pull request #391 from kripton/german

Translate two new strings to german
Merge pull request #392 from sbenejam/master

Updated catalan translation
Fix of the gap->width change (24d369f9) width should be 1-based, not 0-based (Thanks to uchris)
Updated Show Manager and VC Slider documentation
Merge branch 'master' of github.com:mcallegari/qlcplus