Juju fails to run on Windows 10 and OSX due to hardcoded series

[Jorge Castro]

Hi guys, we appear to not work right on Windows 10.

Microsoft Windows [Version 10.0.10240]
(c) 2015 Microsoft Corporation. All rights reserved.

C:\ProgramData\Chocolatey\lib\ConsoleZ.1.10.0.14089\tools>juju
panic: osVersion reported an error: unknown series "Windows 10 Home"

goroutine 1 [running]:
runtime.panic(0x103bf80, 0x16b00478)
        /var/lib/jenkins/curtis/golang-1.2.1/src/pkg/runtime/panic.c:266 +0xa6
github.com/juju/juju/version.mustOSVersion(0x15889f8, 0x6)
        /tmp/tmpCtVVJX/juju-core_1.24.3/src/github.com/juju/juju/version/osversi
on.go:26 +0x9a
github.com/juju/juju/version.init()
        /tmp/tmpCtVVJX/juju-core_1.24.3/src/github.com/juju/juju/version/version
.go:36 +0x38d
github.com/juju/juju/tools.init()
        /tmp/tmpCtVVJX/juju-core_1.24.3/src/github.com/juju/juju/tools/tools.go:
20 +0x4d
main.init()
        /tmp/tmpCtVVJX/juju-core_1.24.3/src/github.com/juju/juju/cmd/juju/upgrad
ejuju.go:417 +0x43

C:\ProgramData\Chocolatey\lib\ConsoleZ.1.10.0.14089\tools>