Ensured proper setup of logging framework in system integration tests.
Fixed bug where test temp files were not cleaned up.
Iteration head tasks are not merged with first operator in superstep, if there is a local strategy that needs to be executed directly prior to the first superstep.
Updated Maven artifacts version to 0.2-ozone.
Allows deploying Ozone to a local repository next to a vanilla Stratosphere distribution.
fixed: ArrayIndexOutOfBoundsException when reading test input > 32KB