initial test sketches
slight comment change
mostly design sketch and failing tests
	modified:   flocker/node/_config.py
	modified:   flocker/node/test/test_config.py
a few more failing test implementations
last test sketches
couple of tests now passing, implementation in progress
another passing test
more passing tests, couple of new tests for better fig detection /
validation
validate more fig keys
all initial validation completed
	modified:   flocker/node/_config.py
most features implemented, link parsing in progress
all tests passing, couple of new edge-cases on fig-style ports definitions identified that still need tests before proceeding
comment fix
add todo comment
multiple Port objects in a single app link
oops, remove pdb line
lint cleanup
noooooo, couple of lines were missing coverage in the tests