Update hack/install.sh with some more Ubuntu-specific installation stuff while we're still on AUFS (installing linux-image-extra-$(uname -r) when we can't find AUFS to try to find AUFS)
Place 'top' subcommand's help in proper order.
Merge pull request #2303 from metalivedev/2302-fixintro

Fix #2302
Fix github link in docs
Clean up level 3 headers.
Set commentstring in Vim syntax plugin

By setting the commentstring, you support commenting with plugins like tComment.
Now Vim won't default to incorrect `/* */` comments.
fix wrong untag while docker rmi
Merge pull request #2307 from gurjeet/sorted_commands_in_help

Place 'top' subcommand's help in proper order.
Merge pull request #2326 from justinforce/commentstring

Set commentstring in Vim syntax plugin
Fix typo that made change detection break

We were comparing the old and old mtimes rather than the old and
the new. This meant we missed some file changes where only the mtime
changed.
Merge pull request #2198 from hamo/hamo/chdir_error

check return value of syscall.Chdir when changing working directory
Merge pull request #2318 from Tranquility/master

Fix github link in docs
Merge pull request #2330 from alexlarsson/dm-fix-change-detection

Fix typo that made change detection break
Merge pull request #2150 from pnasrat/fix-mnt-subdir-volumes

Fixes issues with mounting subdirectories of /mnt in container.
Merge pull request #2261 from edmund-wagner/master

make copy paste user friendly
registry: fix content-type for PushImageJSONIndex
Merge pull request #2338 from proppy/patch-1

Registry: Fix content-type for PushImageJSONIndex
fix race condition in docker build with verbose + cleanup hostIntegration debug
fix status code
Merge pull request #2341 from dotcloud/1327-race_build_verbose-fix

fix race condition in docker build with verbose + cleanup hostIntegration debug