CRAN version

New features

• getTiles(): possibility to use Thunderforest tiles with the apikey arg (@dieghernan)
• getTiles(): new cachedir and forceDownload args to control tiles caching (@arthurgailes & @dieghernan)
• getTiles(): possibility to use a custom tiles server (using a list in type arg)
• barscale(): new parameter unit to plot the scalebar in kilometers, miles or meters (@arthurgailes)
• add hatchedLayer() and legendHatched() to represent hatched layers (@dieghernan)
• add getPngLayer() and pngLayer() to import and display png images (@dieghernan)
• add wordcloudLayer() to display words à la wordcloud (@dieghernan)
• add waffleLayer() and legenWaffle() to plot waffle maps (several quantitatives variables on the same map)

Minor changes

• getTiles() gets a lot of new tiles sources (around 60) (@dieghernan)
• bug fix in getTiles when x!=POINT & nrow(x) == 1, see #59 (thanks to @drikkes-jue)
• tilesLayer() is enhanced with the possibility to use args from raster::plotRGB()
• getBreaks() is now a full wrap of classIntervals + few other methods.
• remove unused files martinique.shp