1. rhmkdir added
2. rhcp and rhmv use rJava and now there should be no reference to hadoop binary
3. copyFile=FALSE (not F) in rhmr
4. Two modifications for copyFiles (in rhoptions)
   - rhipe_copy_excludes [ default="(.*/Rtmp.*)" ], the Java regex that excludes files to be copied
   - rhipe_copyfile_folder [default="job output_folder/_outputs/" ]: the destination in the output folder where files will be copied
5. file.types.remove.regex updated for 4.
Removed a string