Added new colMod sequence for paddingFactor adjustments by DBA's
> db.col1.stats()
{
	"ns" : "foo.col1",
	"count" : 1,
	"size" : 24,
	"avgObjSize" : 24,
	"storageSize" : 4096,
	"numExtents" : 1,
	"nindexes" : 1,
	"lastExtentSize" : 4096,
	"paddingFactor" : 1,
	"systemFlags" : 1,
	"userFlags" : 0,
	"totalIndexSize" : 8176,
	"indexSizes" : {
		"_id_" : 8176
	},
	"ok" : 1
}
> db.runCommand( {"collMod" : "col1" , "paddingFactor" : 1.3 } )
{ "PaddingSize_old" : 1, "PaddingSize_new" : 1.3, "ok" : 1 }
> db.col1.stats()
{
	"ns" : "foo.col1",
	"count" : 1,
	"size" : 24,
	"avgObjSize" : 24,
	"storageSize" : 4096,
	"numExtents" : 1,
	"nindexes" : 1,
	"lastExtentSize" : 4096,
	"paddingFactor" : 1.3,
	"systemFlags" : 1,
	"userFlags" : 0,
	"totalIndexSize" : 8176,
	"indexSizes" : {
		"_id_" : 8176
	},
	"ok" : 1
}