Mini Window: Fix saving and restoring position

Fixes #212

Signed-off-by: Christopher Snowhill <kode54@gmail.com>

Application/AppController.m

@@ -392,6 +392,7 @@ void* kAppControllerContext = &kAppControllerContext;
     [[NSUserDefaults standardUserDefaults] setValue:[expandedNodes allObjects] forKey:@"fileTreeViewExpandedNodes"];
     // Workaround window not restoring it's size and position.
     [miniWindow setContentSize:NSMakeSize(miniWindow.frame.size.width, 1)];
+    [miniWindow saveFrameUsingName:@"Mini Window"];
 }
 
 - (BOOL)applicationShouldHandleReopen:(NSApplication *)theApplication hasVisibleWindows:(BOOL)flag

Window/MiniWindow.m

@@ -29,6 +29,8 @@ extern NSString *iTunesDropType;
         [self setCollectionBehavior:NSWindowCollectionBehaviorFullScreenAuxiliary];
 
         hdcdLogo = [NSImage imageNamed:@"hdcdLogoTemplate"];
+        
+        [self setFrameUsingName:@"Mini Window"];
     }
 
     return self;