Display containers logs in case of build failure
Improve last log output
Mount /dev/shm as a tmpfs.

Fixes #1122.
Typo fix

Error message grammar tweak
Style fixes for fmt + err usage.

fmt.Printf and friends will automatically format using the error
interface (.Error()) preferentially; no need to do err.Error().
testing, issue #776: Ensure docker-ci test docker code as it was at commit time
Merge pull request #1132 from dotcloud/776-testing-commit

testing, issue #776: Ensure docker-ci test docker code as it was at commit time
testing, issue #775: Add automatic testing notifications to docker-ci
Merge pull request #1133 from dotcloud/775-testing-notifications

testing, issue #775: Add automatic testing notifications to docker-ci
Fix error in rmi when conflict
Merge pull request #1126 from karanlyons/patch-1

* Runtime: Mount /dev/shm as a tmpfs.
Merge pull request #1129 from cespare/style-fixes-2

Style fixes for fmt + err usage.
Revert #1126. Remove mount shm
Merge pull request #1127 from cespare/patch-1

Typo fix
Adding support for nicer URLs to support standalone registry (+ some registry code cleaning)
Merging from master
Restoring old changeset lost by previous merge
Allowing namespaces in standalone registry
Fixed ping URL
fmt.Errorf instead of errors.New