SLIDER-75 push back slider shell enhancements into bigtop
rm duplicate ASF headers that have crept into a log4j.properties file 
SLIDER-3 : service registry
SLIDER-137 Include quick sleep when getting final output
SLIDER-138 Do not specify python2.6 as executable
Merge branch 'develop' of https://git-wip-us.apache.org/repos/asf/incubator-slider into develop
SLIDER-140 test against hadoop 2.4.1 RC
SLIDER-142. Have the agent functional test create the app pkg dynamically
SLIDER-139. Ensure python unit tests use the correct version of python
SLIDER-141. Functional test fails with [Permission denied] on cluster
SLIDER-141. Functional test fails with [Permission denied] on cluster - additional test fixes
SLIDER-144. Functional test fails with [Permission denied] on cluster - additional test fixes