add option in ctr to not build table
let colorPalette have a name
Compatibility changes for Java-NetCDF: group, variable, etc names blanks are
represented as underscore.
change checkClose: changes greediness of this rbbr if checkClose finds
another directmanipulation renderer with a threshold radius
Merge pull request #41 from tomrink/cb16341dd182506847dc93b84a9f02c09cc26202

Bringing in some minor changes.