Initial information for packetcable installation guide.

This is Thomas's patch with one minor edit from Colin:
* The standard feature is installed by deafult and so need not be listed

Change-Id: I6e52630a799cdd13900d0ed0bbaf48db2055ddf6
Signed-off-by: Thomas Kee <xsited@yahoo.com>
Signed-off-by: Colin Dixon <colin@colindixon.com>
Merge "Initial information for packetcable installation guide."