Fixes the output of the install script so it reads

like this:

```

Preparing to validate your environment.
JAVA_HOME is: /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home
binaryDir is: /Users/justin/.webdriver-sync

```
Merge pull request #36 from searls/fix-install-printout

Fixes the output of the install script so it reads