Fix in PlotCombinedMap to show correct mask in PlotMostLikelyQuantileMap

Closes #46

See merge request external/cstools!69

Adding the parameter 'na.rm' in the function CST_BiasCorrection

See merge request external/cstools!54

Upload of the ENSclustering vignette

See merge request !61

improvements to ensclus

See merge request !59

Minimum multiApply version in DESCRIPTION

See merge request external/cstools!64

Small fix to RainFARM (check slope is not a vector)

See merge request !42

MultiMetric vignette fix element name $data

See merge request external/cstools!65

Calibration exposed to user

See merge request !58

Develop plot forecast pdf vignette

See merge request !55

Fix initial check to allow exp or obs only

See merge request external/cstools!67