Removing the need for the basic configuration and a built artifact for cf:help
Fixes #217
Formatting
Fixing the travis.yml

Travis should use apt to install protoc

Trying to reduce output since Travis can't handle this much output
Merge pull request #223 from jtuchscherer/master

Fix for #217
Using an external gradle.properties file
(`~/.gradle/gradle.properties`), required using camel-case property
names instead of dot separated ones.  Ex: `cfUsername` worked,
`cf.username` didn't.
Merge pull request #224 from dmikusa-pivotal/master

Using an external gradle.properties file
Merge branch 'master' of https://github.com/cloudfoundry/cf-java-client