checkpoint with turning up logging, and allow containers without file
contexts.
add missing -debug things.
non working stash of bitstream filters
merge develop back into this branch
compilation scaffolding
BitStreamFilter C++ test scaffolding
first set of native tests for filter types
one more minor test
creation methods (untested)
fix silly linux x86_64 compilation error.
tests for creation of bit stream filters
Fix #44
untested version of BitStreamFilter.filter(...).
native unit test for filter
fix memory leaks and errors found by valgrind
another native test (to make sure inplace filtering has no valgrind errors).
Fix #37: Support Bit Stream Filters in humble.

Bit Stream Filters now supported and tested in native code. I still have
to create the Java demos.
Merge branch 'feature/bitstream_filters' into develop