Update config files and necessary source files to compile with Hadoop 2.2.0
exclude slf4j-log4j12 from hadoop dependencies
Update Hadoop 2.2.0 dependencies properly, taken from hadoop-client pom from github
updated dependencies in java-exec to include all additional jars
exclude slf4j-log4j12 from hadoop map-reduce client-app
removed further occurences of slf4j-log4j12
Link all lib files from local hadoop 2.2.0 directory
Create new module for yarn-integration
Add license header to pom.xml
First DrillRunnable for YARN
changed default to 2 vcores, 2GB ram and 1 instance
add yarn-integration as a module to drill-root and distribution
update hadoop dependency to 2.3.0, which is necessary by twill
update commons.math to commons.math3
test to run drillbit as AbstractTwillRunnable
Add drill-dependencies to twill
explicitly add further dependencies to twill
Let DrillRunnable run in an endless loop forever, to get log messages
Allow to define a default ClassLoader from QueryClassLoader, instead of only having the SystemClassLoader
add storage config as a reference to drill, to have it on all yarn clusters