Set release date of 1.1.0 to NEWS

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2508 f4f36d40-9719-0410-9868-dde021a23eda
Fix NoMethodError at NSBehaviorAttachment#ns_inherited with ruby-2.0

Return value of Module#name when the module name is undefined differs
from ruby-2.0 in ruby-1.8.

- 2.0 => nil
- 1.8 => ""

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2509 f4f36d40-9719-0410-9868-dde021a23eda
Remove code for ruby-1.8.4 or earlier

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2510 f4f36d40-9719-0410-9868-dde021a23eda