fixing check style issues
improving readability
simplifying code
improving readability
hardcoded colos removed
Merge pull request #345 from raghavgautam/cleanup

minor cleanup
Revert "core-site.xml from hive-exec test interferes with configuration"

This reverts commit b8b7604beeb33a0e6987b8bb01ce1904b44b4120.
Merge pull request #350 from raghavgautam/master

Revert "core-site.xml from hive-exec test interferes with configuration"
Merge pull request #349 from pisaychuk/master

hardcoded colos removed
getAllFilesHDFS(String,String) removed
getAllDirsRecursivelyHDFS(ColoHelper,Path,int) deleted
ignoreLocations in getAllFilesRecursivelyHDFS is always {"_SUCCESS"}
deleteFile deleted
vararg removed in createDir
createDir(String,fs) -> createDir(fs,String)
isDir extracted to private method
getHadoopConfiguration deleted
isFilePresentHDFS(ColoHelper, ... replaced by isFilePresentHDFS(FileSystem, ...
copyDataToFolder(ColoHelper,Path,String) deleted
createEmptyDirWithinDatesAndPrefix deleted