Downgrade to go 1.4.2 in Travis
Downgrade to go 1.4.2 in Travis

It appears there is an issue with calling flag.Parse() in an init()
function when running tests via ginkgo, which passes its own flags.

Signed-off-by: Kris Hicks <6d3f751023bc04266d4da2ff94804f4240839fe2@pivotal.io>

brybwy/cli-plugin-repo,brybwy/cli-plugin-repo,guidowb/cli-plugin-repo,cloudfoundry-incubator/cli-plugin-repo,cloudfoundry-incubator/cli-plugin-repo,guidowb/cli-plugin-repo,brybwy/cli-plugin-repo,cloudfoundry-incubator/cli-plugin-repo,kkellner/cli-plugin-repo,brybwy/cli-plugin-repo,kkellner/cli-plugin-repo,guidowb/cli-plugin-repo,cloudfoundry-incubator/cli-plugin-repo,guidowb/cli-plugin-repo,kkellner/cli-plugin-repo