fixed bugged ZoneExample.mo
Merge branch 'Annex60' into issue127_UnitTestCoverage
Update SkyBrightnessCoefficients.mo

Corrected typo in the definition of the sky brightness coefficients
Merge pull request #153 from open-ideas/issue127_UnitTestCoverage

This is still work in progress but I have merged these changes so far
Merge branch 'Annex60' into issue149_avoidEvents
Merge branch 'Annex60' into issue149_avoidEvents