update to 4.0.11

1.drop two patches that have been integrated to upstream repo.
2.drop tests-add-no-validate-when-using-download-template.patch
  because it is no longer appropriate as the "download" has been
  replaced with "busybox"
3.fix the apply failure of templates-use-curl-instead-of-wget.patch
4.update lxc from 4.0.10 to 4.0.11

Signed-off-by: Yanfei Xu <yanfei.xu@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>