Merge pull request wp-cli#54 from wp-cli/english-please

Make sure upgrader strings are always in English

Merge pull request wp-cli#40 from wp-cli/39-update-individual

Enable updating languages for individual plugins and themes

Merge pull request wp-cli#19 from wp-cli/scaffold-tests-readme-12-8

Update scaffolded tests and README to latest

Merge pull request wp-cli#17 from wp-cli/scaffold-tests-error-reporting

Update scaffolded tests to enable error reporting

Merge pull request wp-cli#13 from wp-cli/update-test-scaffold

Update scaffolded tests to latest

Merge pull request wp-cli#11 from wp-cli/use-trusty

Use `dist: precise` for PHP 5.3, `dist: trusty` for everything else

Merge pull request wp-cli#6 from wp-cli/clarify-bundled

Clarify this command as a bundled command

Merge pull request wp-cli#5 from 1naveengiri/Fix-multi-uninstall

Fix multi lang uninstall

Run Travis tests against dev branch