Fixed issue with VariableAttributes
Merge branch 'classes' into develop

Conflicts:
	+daysimeter12/readcdf.m
Merge remote-tracking branch 'origin/classes' into develop
Created eventmasks class
Grouped VariableAttributes by variable
Added sampling epoch to convertcdf

Also fixed samplingrate
Merge remote-tracking branch 'origin/input' into develop

Conflicts:
	+daysimeter12/convertcdf.m