Code must (soon) comply with Eclipse formatting command

[Doug Simon]

The bugs preventing the Eclipse formatter from being used from the command line seem to have been fixed as of Eclipse 4.3[1]. As such, we will soon add a check in the gate that all incoming code is formatted according to this tool. If you are using Eclipse for development, this should not be a problem. If not, you should run the following before trying to push or submit a webrev:

$ mx eclipseformat -e /path/to/eclipse4.3installation

If this command reports that 0 files were modified, your changes should get through (this part of) the gate.

-Doug

[1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=405338