unit test for export formats
[ExportSlot] added maintainable format information
Merge branch 'master' into export-formats
seperate items by semicolon, clarify message
removed debug print statement
lazyflow/rtype.py: Check to see if the roi's stop value is beyond the shape. If so, provide an assertion.
fix: psutil.virutual_mem().wired not available on linux
OpArrayCache: Fixed implementation of CleanBlocks output slot.
Merge branch 'master' into multiprocess-hdf5
OpConcatenatedFeatureMatrices: Don't assert during setup. (If multiple images are changing their metadata at once, the assertion was firing in the middle of the change.)
Merge branch 'master' into multiprocess-hdf5
Merge branch 'master' of ssh://github.com/ilastik/lazyflow
Merge branch 'master' into multiprocess-hdf5
silence a lot of DeprecationWarnings with numpy 1.9
Merge pull request #153 from jakirkham/assert_slicing

Assert slicing
testsOpInputDataReader: Use compression when testing h5
submodules: Updated pydvid
Merge remote-tracking branch 'markus/export-formats' into pr-147

Conflicts:
	lazyflow/operators/ioOperators/opExportSlot.py
OpExportSlot: FormatValidity: Support N channels when exporting a sequence.  Also: comments.
testsOpInputDataReader: Use compression when testing h5