Enabling autostart option using LaunchAtLoginController.

Also in this commit: fixing layout constraints in .xib file

Change-Id: Icd0d5ec8b663e909c5bb57c050382b1ff68eb016
diff --git a/osx/LaunchAtLoginController/launch-at-login-controller.h b/osx/LaunchAtLoginController/launch-at-login-controller.h
new file mode 100644
index 0000000..8892c9f
--- /dev/null
+++ b/osx/LaunchAtLoginController/launch-at-login-controller.h
@@ -0,0 +1,34 @@
+//
+//  LaunchAtLoginController.h
+//
+//  Copyright 2011 Tomáš Znamenáček
+//  Copyright 2010 Ben Clark-Robinson
+//
+//  Permission is hereby granted, free of charge, to any person obtaining
+//  a copy of this software and associated documentation files (the ‘Software’),
+//  to deal in the Software without restriction, including without limitation
+//  the rights to use, copy, modify, merge, publish, distribute, sublicense,
+//  and/or sell copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be
+//  included in all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED ‘AS IS’, WITHOUT WARRANTY OF ANY KIND,
+//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+//  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+//  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+//  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+//  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+//  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+
+@interface LaunchAtLoginController : NSObject {}
+
+@property(assign) BOOL launchAtLogin;
+
+- (BOOL) willLaunchAtLogin: (NSURL*) itemURL;
+- (void) setLaunchAtLogin: (BOOL) enabled forURL: (NSURL*) itemURL;
+
+@end