Fix SEGV of sample/Scripts/TransparentHello.rb at quit with Ctrl-C

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2600 f4f36d40-9719-0410-9868-dde021a23eda
Change output of sample/Scripts/itunes_albums.rb encoding to default from euc-jp

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2601 f4f36d40-9719-0410-9868-dde021a23eda
Add missing `#import <AppKit/NSApplication.h>` in main.m

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2602 f4f36d40-9719-0410-9868-dde021a23eda
Fix sample/MyViewer.app not work with ruby-2.0

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2603 f4f36d40-9719-0410-9868-dde021a23eda
Update NEWS

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2604 f4f36d40-9719-0410-9868-dde021a23eda
Update documents

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2605 f4f36d40-9719-0410-9868-dde021a23eda
Set version to 1.2.0rc

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2606 f4f36d40-9719-0410-9868-dde021a23eda