Fix typos in Vagrantfile
Allow to use -H unix:// like -H tcp://
Improve TestParseHost
Add "-a" back to our "go build"
Improve error message when refusing to remove image due to multiple repo tags
Update docs
Merge pull request #3234 from creack/default_unix_path

Default unix path
Add '.' to valid container name pattern
DRY up valid container name pattern usage
Add container name validation test
Merge pull request #3253 from titanous/update-container-name-validation

Update container name validation
Merge pull request #3238 from tianon/go-build-a

Readd go build -a
Merge pull request #3205 from cddr/Vagrantfile-typos

Fix typos in Vagrantfile
Merge pull request #3128 from codeaholics/1530-improve-error-message

Improve error message when refusing to remove image due to multiple repo tags
TAG instruction with new BuildFile interface
includes documentation and integration tests