Fix website link from "getting started" to "download".
Merge pull request #83 from DavidCPhillips/master

Fix syntax bug with cache trim method.
Clean up lint errors.
Merge pull request #79 from nicksay/web-links

Fix website link from "getting started" to "download".
Merge pull request #80 from nicksay/lint

Clean up lint errors.
Require support of Object.keys for cache collect tests.
Merge pull request #85 from DavidCPhillips/skip-ie8-in-cache-test

Require support of Object.keys for cache collect tests.