Fix pubsub's README links and TESTING.md#1092

Merged

mziccard merged 2 commits intogoogleapis:masterfrom mziccard:fix-readmes

Jul 1, 2016

+105-76

Commits on Jun 30, 2016

Rename com.google.gcloud to com.google.cloud in pubsub README
mziccard
committed
Add missing links to TESTING.md, fix ordering, add Compute section
mziccard
committed