Config/Startup: do not register RQUOTA if no NFSv3 is required (just like NLMv4 and MOUNTDv3)

Change-Id: Ia3a728491e6f85dc9983fb20992b5f85f07091c2
Signed-off-by: Philippe DENIEL <philippe.deniel@cea.fr>
Config: defines "Protocols" as an alias to "NFS_Protocols" in core parameters.

Change-Id: I3043166d26720a4b75c5f6360c4b2fdd936b9d32
Signed-off-by: Philippe DENIEL <philippe.deniel@cea.fr>
Config Parsing: making "nfs3" and "nfs4" synoyms of "3" and "4" in Protocols stanza.

Change-Id: I39c0f70eac3094f3365b5467e1abdd216f30b498
Signed-off-by: Philippe DENIEL <philippe.deniel@cea.fr>