Fix duplicate index error when using custom attributes.
move images to docs
core function in with unit tests passing
add log marker feature with docs and tests then add to BDD so we get better troubleshooting guideance
AttribInstance from NodeAttrib migration complete with all tests passing
include diagram image
refactor based on testing subclassing in test barclamp
remove tests of legacy models and fix unit test to pass
minor cleanup to remove unneeded constant
Merge pull request #365 from cloudedge/pull-req-master-88c48f4ee579087c974bd5cf1813c795e8781470

Refactor NodeAttrib to be AttribInstance instead [1/2]
change naming to confirm with new pattern
barclamp namespace works correctly
Merge pull request #366 from cloudedge/pull-req-master-6d4d45007b2fdd505a113d7442908e03d9c00241

Update Barclamp namespace to match pattern for post-Engines [1/2]
Reorganize
Merge pull request #367 from dalemcdonald/master

Showing Dale how to add docs
change to get_attrib and set_attrib to avoid confusion with attrib_* behavior
update attribute adds to include DMI attribs
yikes...down the rabbit hole.  check point save
all tets passing, mid-refactor
fix barclamp graph and BDD tests