Correct @return value for current_time().

props arnee.
fixes #27940.

git-svn-id: https://develop.svn.wordpress.org/trunk@28240 602fd350-edb4-49c9-b593-d223f7449a82
Correct 'show_in_menu' parameter description in register_taxonomy().

fixes #27943.

git-svn-id: https://develop.svn.wordpress.org/trunk@28241 602fd350-edb4-49c9-b593-d223f7449a82