Merge branch 'release/gitools-1.8.1' into develop
Next iteration version 1.9.0-SNAPSHOT
Update to Ensembl 70
FIX: removed icon that do not exist anymore - substituted
LinearTwoSidedScale: Default middle color set to white
Fix out of bounds exception when loading annotations with unknown identifiers.
FIX: index error when drawing columns annotation
NEW: Allow to sort by label numerically
NEW: Allow to sort by label numerically, NaNs always at the end of sorted array
Set version to 1.8.2
Merge branch 'release/gitools-1.8.2'