build artifacts
Upgrade Play to 2.2.5
Make the installation of PhantomJS and Play more robust
Add pem utils for private keys
Use the new try-with-resources
Merge pull request #309 from DwayneJengSage/develop

Misc changes include:
* deleting garbage Icon files
* Added IntelliJ project files to .gitignore.
* Added port forwarding for 9999 to Vagrantfile to enable remote debugging.
* Added curl to the Vagrant bootstrap.sh.

Tested by running vagrant reload and play test.
Merge remote-tracking branch 'base/develop' into develop
Update per code review
Merge pull request #310 from eric-wu/develop

Add pem utils for private keys, upgrade Play to 2.2.5