Add a basic test framework

The only test always passes, but this sets up the automake stuff correctly
Add our logging framework as a submodule
Include the logger in the test

This requires makefile changes
Finish framing out what's needed for tests

Also fix a dos/unix endline issue
Mostly finish off the first test

Has errors with mapnik from stdbase, lacking the csv input plugin
Add the missing test file
Add test stuff to gitignore
Pull out the layer from the PBF and check its version

This implicitly checks that it can be parsed as a PBF
Convert the resulting tile into a featureset_ptr

Also move some stuff to variables
Whitespace fixups
Add the rest of the logging sources to makefile
Remove blackbox references from logging common
Merge pull request #7 from MapQuest/tests

Tests