Remove copyright from empty files

According to policy change in HACKING:
http://docs.openstack.org/developer/hacking/#openstack-licensing
empty files should no longer contain copyright notices.

Change-Id: Icad4ffa9843baeb9c437d2e2c0b0d35c24abc68a
Closes-Bug: #1262424
Merge "Remove copyright from empty files"
Replace assertEqual(None, *) with assertIsNone in tests

Replace assertEqual(None, *) with assertIsNone in tests to have
more clear messages in case of failure.

Change-Id: Ifbb144e26b62790d8b8ba9b5c3eea7d04844ee19
Closes-Bug:#1280522
Remove vim header

No need to set tabstop tons of times, this can be set in your vimrc
file instead.

More disucssion:
http://openstack.10931.n7.nabble.com/Remove-vim-modelines-td21780.html

Change-Id: I45766d91f0c0b3622bbdc7dc5517497c87ebee8c
Closes-Bug: #1229324
Merge "Replace assertEqual(None, *) with assertIsNone in tests"
adding configuration paramters mgmt api

add the CRUD calls of configuration parameters mgmt calls

Change-Id: Iaaea946bdbcab91ca02e5e2cbf956a3980a461ab