Update License Headers to replace Nicira with VMware
Update License Headers to replace Nicira with VMware

In the process __init__.py involved have been emptied;
vim modelines and author lines have been dropped from
the license headers affected by the change as well.

Partial-implements blueprint nicira-plugin-renaming

Change-Id: I9c535b59bb2e83f275816472e0e32b41444d3bbe

openstack/networking-nec,stackforge/networking-nec,stackforge/networking-nec,openstack/networking-nec