Remove resolutions that aren't supported on GFE 2.7 and later

src/com/limelight/settings/PreferencesManager.java

@@ -63,10 +63,7 @@ public static class Preferences implements Serializable {
 		/**
 		 * The possible resolutions for the stream
 		 */
-		public enum Resolution { RES_720_30(1280, 720, 30, 5), RES_720_60(1280, 720, 60, 10), 
-			RES_768_30(1366, 768, 30, 5), RES_768_60(1366, 768, 60, 10),
-			RES_900_30(1600, 900, 30, 10), RES_900_60(1600, 900, 60, 15),
-			RES_1050_30(1680, 1050, 30, 10), RES_1050_60(1680, 1050, 60, 20),
+		public enum Resolution { RES_720_30(1280, 720, 30, 5), RES_720_60(1280, 720, 60, 10),
 			RES_1080_30(1920, 1080, 30, 10), RES_1080_60(1920, 1080, 60, 20);
 			public int width;
 			public int height;
@@ -156,6 +153,11 @@ public void setHost(String host) {
 		 * @return the stored resolution
 		 */
 		public Resolution getResolution() {
+			// We removed some resolution values, so fixup the resolution
+			// if the enum value couldn't be found
+			if (res == null) {
+				res = Resolution.RES_720_60;
+			}
 			return res;
 		}