updated MapReduce API docs
updated mapreduce api tutorial
updated the remainder of the tutorial
updated installation instructions
removed completed projects from ideas list
added a tool for dumping app help to an rst table
app/main: added support for the help dumper tool
updated pydoop script guide
updated running_pydoop_applications
removed obsolete docs
updated examples section
updated self_contained
added/fixed many cross-references
Added new function to fix the default CDH configuration
Added new CDHv4 installer function
Changed the main of the hadoop installer to use the new CDHv4 installer
Added is_yarn method to identify whether hadoop is configured to run as Yarn
Changed condition to select which Java classes to compile
Selected only CDH distros
Changed jar set for cdhv4