Progress on fastr and hadoop integrations
Null ptr when writing ice to file
Update README.md
New version of fastR with list.files, getwd and setwd.
Add some UDP get/set commands, comment cleanup
Make PersistIce windows-friendly

Build URI's with only forward-slash, but other filenames with native
file-sep (i.e. backslash).
ice to hdfs
Kmeans for R

first stab… part there.
Removed duplicate message about multiple local IPs
KMeans support
less output in fastr
bugfix in MRTask, fixed log2 helper function.
Merge remote-tracking branch 'upstream/master'