Squashed 'run_time/src/gae_server/third_party/closure-library/' content from commit 5b7a6ce

git-subtree-dir: run_time/src/gae_server/third_party/closure-library
git-subtree-split: 5b7a6ce1974c230dc169cb93ed5f9689e880aa50
Merge commit '38e22e6c5e5462fd687fba32893dfcd4c7dc524a' as 'run_time/src/gae_server/third_party/closure-library'
Merge branch 'master' of github.com:googlei18n/incremental-fonts