Console: warn that the Nova VMRC console driver will be deprecated in K

This code is not used and should be deprecated. In addition to this the
ESX driver was deprecated in commit 1deb31f85a8f5d1e261b2cf1eddc537a5da7f60b

Closes-bug: #1368202

Change-Id: Ic71cf4d01ccd7eee19f6c44e1101e542900235d6
Catch NotImplementedError on reset_network for xen

This patch adds a decorator around reset_network for
NotImplementedError.

Closes-Bug: #1306404
Change-Id: If337304d2cba2f3a91374d50cd6ea3a6b80285de
Merge "Catch NotImplementedError on reset_network for xen"
Merge "Console: warn that the Nova VMRC console driver will be deprecated in K"