Update Ubuntu One client frontpage to reflect 5GB free storage

[Eric Appleman]

It is no longer 2GB.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: ubuntuone-client 1.7.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-7.9-genusername 3.0.0
Uname: Linux 3.0.0-7-generic i686
Architecture: i386
Date: Sun Aug 7 19:00:52 2011
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110803.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 LC_MESSAGES=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntuone-client
UbuntuOneSyncdaemonExceptionsLog:
 2011-08-06 14:23:39,675 - twisted - ERROR - Unhandled error in Deferred:
 2011-08-06 14:23:39,676 - twisted - ERROR - Unhandled Error
 Traceback (most recent call last):
 Failure: ubuntuone.platform.linux.dbus_interface.NoAccessToken: CredentialsNotFound
UpgradeStatus: No upgrade log present (probably fresh install)