Update LICENSE text to 2015, implement a checker that validates
whether a 2014 or 2015 version of the license is on each {.c,.cc,.h} file.
Fix the ones that are missing it.

Fixing java_base to edit permission on a key file

run: was getting a little lost

This allows caching results with --runs_per_test.

Otherwise the tests just stop once they succeed, or don't even run at
all if they passed in a previous run.

Proto3 is now required for Java, so build it including the Java runtime
since it is not on Maven.

Added missing pingpong tests to cloud prod test
Cleaned up test output and inserted them into a google.visualization.Datatable object

- automates the disk partitioning described in
  https://cloud.google.com/compute/docs/disks/persistent-disks#repartitionrootpd

Removes an unnecessary semi-colon

- Had to add support for files and environment variables as well.
- I can't compile on windows so I'm sure there will be some issues.
- Tested end-to-end with the simple ssl fullstack test.

I tried actually doing a build on my home desktop, and none of these
run with python 3.3, which is /usr/bin/python on my home desktop.

Adding timeout for each test run so that failed tests do not block the running of the rest of the tests.