Update NEWS

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2477 f4f36d40-9719-0410-9868-dde021a23eda
Remove OSX.objc_symbol_to_obj() obsoleted 0.11.0

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2478 f4f36d40-9719-0410-9868-dde021a23eda
Add Objective-C API documents for yardoc

refactored some module/class initializer to work with yardoc.

- change initializer return type to void
- rename variable name of OSX

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2479 f4f36d40-9719-0410-9868-dde021a23eda