yui/yui3 — pull request #1559 by shunner (2014-01-16 05:49:21+00:00)
Title: Fix Calendar cell of next month appears to be selectable

Fix an issue of Calendar: when Feb 1st is Saturday, Mar 2nd as one of the next month day appears to be selectable.

See Issue #1540 for more details.

Note: This PR is identical to #1541 except this is against correct branch **dev-master**.