Upgrade RequireJS to version 2.1.6, and Almond to 0.2.5.

Also additionally include the minified version of require.js, useful for future builds.
Merge remote-tracking branch 'origin/master' into updateRequireJS

Conflicts:
	CHANGES.md
Fix path to almond.
Merge pull request #844 from AnalyticalGraphicsInc/updateRequireJS

Upgrade RequireJS to version 2.1.6, and Almond to 0.2.5.