Update NEWS

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2486 f4f36d40-9719-0410-9868-dde021a23eda
Add Ruby API documents for yardoc

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2487 f4f36d40-9719-0410-9868-dde021a23eda
Generate Ruby documents under doc/ruby/ with yardoc from .rb files

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2488 f4f36d40-9719-0410-9868-dde021a23eda