pylint/flake8/refactoring in pydoop/hdfs/core
utils/serialize: added serialize_old_style_filename
pylint/flake8/refactoring in pydoop/mapreduce
pylint/flake8 in pydoop/utils
pylint/flake8 in test/
pylint/flake8 in examples/
added missing copyright notice to python modules
added missing copyright notice to C src
added missing copyright notice to scala src
added missing copyright notice to examples
added missing copyright notice to test files
Merge pull request #33 from simleo/cleanup_27

pep8 / pylint across the whole code