Re-enable travis for Go tip
Merge pull request #1176 from brendandburns/travis

Re-enable travis for Go tip
Fix a shell typo.
Merge pull request #1177 from brendandburns/travis

Fix a shell typo.
Fix travis and cluster installs.
Merge pull request #1179 from brendandburns/fix

Fix travis and cluster installs.
Merge branch 'master' into build-go-verbose