Removed github.txt file, no longer needed since we have the new automated
installer in place.
Small fix for apache dependencies configuration test on the automated installer.

Split DayTrader VApp in two separated sub-types: ibm_daytrader and open_daytrader
Added VApp-specific dependency files for several workloads.
Added Joe Talerico's changes to the Cassandra YCSB VApp
Merge pull request #25 from bowers/master

Update hadoop scripts to support YARN
Added figure to illustrate Host OS metrics collection.
Add error checking and status reporting to hadoop setup