add support for hadoop 2.3
automatically install the version of hadoop specified by -Phadoop_version and run the samples using that install
doc updates
javadoc links to hadoop, java driver, and JDK classes
make examples work on cdh4
bump cdh4 to 4.6.0
bump release plugin version
reformat a bit
update docs to indicate gradle as the build mechanism
remove sbt references
resolves HADOOP-123
remove errant quote
debug statement
remove debug.  mystery solved.
disable uploadArchives for streaming and hadoop 1.0
set the output value rather than the output key
fixes HADOOP-126
configure the treasury job in the tool class using MongoConfig
configure the sensor data sample in the tool class using MongoConfig
configure the enron sample in the tool class using MongoConfig
checkstyle fixes
build the 1.0 streaming jar so signing doesn't freak out.  just don't upload it.
implement tests in junit and move them out of python
put back logging for the index error
more debug
lower case hadoop_version for the version check
log the version.  it's still not right.
pass along version information
remove debug