Java: Add util package and foam.util.WholeStreamReader
Java: Add util package and foam.util.WholeStreamReader

WholeStreamReader reads entire InputStreams into a String, useful for config
files we know are small.

mdittmer/foam,osric-the-knight/foam,jlhughes/foam,foam-framework/foam,foam-framework/foam,jacksonic/foam,jacksonic/foam,jacksonic/foam,osric-the-knight/foam,mdittmer/foam,osric-the-knight/foam,mdittmer/foam,foam-framework/foam,osric-the-knight/foam,jlhughes/foam,jacksonic/foam,mdittmer/foam,foam-framework/foam,jlhughes/foam,foam-framework/foam,jlhughes/foam