new ui is almost fully functional

- add hosts
- pair to host
- get app list
- launch app
- resume app

Limelight/Images.xcassets/Computer.imageset/Contents.json

@@ -3,7 +3,7 @@
     {
       "idiom" : "universal",
       "scale" : "1x",
-      "filename" : "limelight_computer_2x-1.png"
+      "filename" : "limelight_computer_1x.png"
     },
     {
       "idiom" : "universal",
@@ -13,7 +13,7 @@
     {
       "idiom" : "universal",
       "scale" : "3x",
-      "filename" : "limelight_computer_2x-2.png"
+      "filename" : "limelight_computer_3x.png"
     }
   ],
   "info" : {