reformat
code re-arrangement
fix issues reported by code inspection
add jacoco
fix issues reported by inspection, cont.
Merge pull request #30 from raoulcjohnson/develop

Develop
fix issues reported by inspection; rm sonar-project.properties, use mvn sonar:sonar instead
Merge branch 'develop' of github.com:ShifuML/shifu into develop
Merge pull request #31 from xxdev/develop

Setup sonar and jacoco; clean up reported issues
detech if hadoop exists
add pluginManagement to pom
Merge pull request #33 from xxdev/develop

Add example to package; add jacoco to pom; detect hadoop classpath in bash
Added:
	PigStats
	DI for multiple type of stats
	UnivariateStats
	Unit test for UnivariateStats
	
Modified:
	Changed spacing to 4 spaces instead of tabs
	
Still needed:
	Clean up tests so only test UDF.