[maven-release-plugin] prepare release reef-project-0.6
[maven-release-plugin] prepare for next development iteration
cosmetic refactoring of MLSS BGD example - not finished yet
more refactoring for MLSS BGD example
Merge branch 'master' of github.com:Microsoft-CISL/REEF into sergiym_MLSS_refactor
fix clr evaluator path
Merge pull request #912 from Microsoft-CISL/fix_clr_evaluator_path

fix clr evaluator path
Merge branch 'master' of github.com:Microsoft-CISL/REEF into sergiym_MLSS_refactor
more refactoring in the bgd driver: move master task id constant to the
MasterTask class; fix the logging; other minor updates
Merge branch 'master' of github.com:Microsoft-CISL/REEF into MLSS
Merge branch 'sergiym_MLSS_refactor' into MLSS