Update test scripts to always run ALL tests, even when some fail
add more searchable info to the error message when ADD tries to go outside the context
Deleted references to AUFS

AUFS is no longer a dependency (both lxc-docker and lxc-docker-git are >=0.7), and the Arch kernel doesn't need to be replaced with AUFS_friendly.
Arch docs: Updated dependencies to match AUR

The AUR packages lxc-docker and lxc-docker-git have changed their dependencies.
Update postgresql's version in example

It seems ppa:pitti/postgresql will be deprecated and only apt.postgresql.org has 9.3.
Arch docs: Added lxc-docker-nightly AUR package, modified deps

lxc-docker-nightly installs latest build. Removed go from dependencies, as it is not needed in lxc-docker and lxc-docker-nightly. The -git package will flag go as a dependency upon installation.
Update systemd service file with suggestions from @seblu
Document setting up Vagrant-docker with the remote API
Remove incorrect SIGKILL handler.

As per POSIX signal handling SIGKILL does not work.

Fixes #2928
Stop invalid calls to Registry

This code was resulting in a call for
/v1/images/<namespace>/<repository>/ancestry which the Registry
doesn't understand. Furthermore, it was masking the original
error.
Return process exit code for attach

Fixes #2240
Make race condition more obvious by performing more asserts
Make CopyEscapable consistent with Copy and return `nil` in case of success instead of io.EOF
Merge pull request #2808 from tianon/run-all-tests

Update test scripts to always run ALL tests, even when some fail
Merge pull request #2941 from codeaholics/2940-invalid-registry-calls

Stop invalid calls to Registry
Merge pull request #2894 from brunoqc/patch-1

Update postgresql's version in example
Merge pull request #2901 from dkumor/patch-1

Deleted references to AUFS in Arch docs
Merge pull request #2357 from ulyssecarion/master

Document setting up Vagrant-docker with the remote API
Merge pull request #2692 from SvenDowideit/add-specific-feedback-for-bad-ADD

Add specific feedback for ADD outside context
Closing connection after ping