In rmovf, changed rmDiskHandler.
In rmovf, changed rmDiskHandler.

Changed the name of the function call from Ovf.py. Also changed the function
so that it would remove a node if the --node flag is given.

The change of name was done to make it more descriptive of what the function
actually does.

Signed-off-by: Marcos Cintron <d68a97f9cedacc5e727c3ff243ef4cc60a101b2f@us.ibm.com>

Awingu/open-ovf,Awingu/open-ovf,Awingu/open-ovf,Awingu/open-ovf