Merge pull request #2812 from dotcloud/bump_v0.6.7

Bump v0.6.7
Add new bundlescript to build a tgz
Add new tgz bundlescript to default make and release
Updated Fedora docs

* Added warning to Fedora docs
Set consistent time for sample dir in archive test
create a copy of dockerinit
Merge pull request #2861 from crosbymichael/fix-time-race-archive

Set consistent time for sample dir in archive test
Merge pull request #2860 from jamtur01/fedora2

Updated Fedora docs with simple placeholder
Move all graph tests into integration, because they now rely on the underlying graph driver, which currently cannot be mocked.
Always use the 'vfs' storage driver in integration tests. To test other drivers, we need a dedicated driver validation suite.
Fix a race condition in TestInterruptedRegister
Installation docs update

* Updated TOC sort order
* Fixed some grammar in Rackspace doc
* Updated titles to remove Linux where not needed
Merge pull request #2863 from jamtur01/instsort

Installation docs update
Fix a race condition in the integration tests
Merge pull request #2815 from tianon/hack-make-tgz

Add tgz bundlescript
Merge pull request #2854 from dotcloud/copy_dockerinit

create a copy of dockerinit on new runtime to handle upgrades
Merge pull request #2862 from shykes/integration-tests-vfs

Improve integration tests with vfs driver
Update the Gentoo installation docs for 0.7+
Merge pull request #2864 from tianon/gentoo-docs

Update the Gentoo installation docs for 0.7+
Update Arch Linux instructions to include warnings at the top like other "community" platforms