2017-07-21: version 0.1.0.1
 - Menu style improvements
 - The "nearest day with data" and "closest to 12:00" modes no longer apply if
   more than one collection is selected
 - New colormaps added: chla_jet, ibsco-bath and pesket
 - Fix bug wherein the polygons orientation was not detected properly
 - Fix bug wherein the application crashed due to a missing background image
 - Fix bug wherein the use of the "ARROWS" rendering method caused the
   application to crash
 - Fix bug wherein the map was not updated after a selection change in the
   rendering control if at least one other variable of the same collection was
   still selected
 - Fix bug wherein textures were not mapped correctly on polygons

2017-06-22: version 0.1
 - First public release