adding javadocs for all methods in FileUtils, refactoring all createWriter() methods to return a BufferedWriter instance instead of PrintWriter
adding javadocs for all methods in FileUtils, refactoring all createWriter() methods to return a BufferedWriter instance instead of PrintWriter

--HG--
branch : toxiclibs

postspectacular/toxiclibs,rekii/toxiclibs,rekii/toxiclibs,ruby-processing/toxiclibs,postspectacular/toxiclibs