Fixed HTTP imports.
packaging, issue #1647: Add docker groupname on the package release
Modify repository name regex to match index
Only copy files and change permissions with non bindmount
Merge pull request #1889 from dsissitka/fixhttpimport

Fixed HTTP imports.
Merge pull request #1949 from dotcloud/1895-registry-regex

Modify repository name regex to match index
Merge pull request #1934 from dotcloud/host-permissions

Only copy files and change permissions with non bindmount
Merge pull request #1820 from dotcloud/1647-api-group

packaging, issue #1647: Add docker groupname on the package release