Renamed "Camera Tilt" to "Camera Roll" (new naming convention!)

Changed Camera Roll to use Degree Values
Started adding Timeline Position Editing to GuiEditKeyframe

src/main/java/eu/crushedpixel/replaymod/utils/TimestampUtils.java

@@ -0,0 +1,20 @@
+package eu.crushedpixel.replaymod.utils;
+
+public class TimestampUtils {
+
+    public static int getMinutesFromTimestamp(long timestamp) {
+        return (int)((timestamp / (1000*60)) % 60);
+    }
+
+    public static int getSecondsFromTimestamp(long timestamp) {
+        return (int)(timestamp / 1000) % 60;
+    }
+
+    public static int getMillisecondsFromTimestamp(long timestamp) {
+        return(int)(timestamp % 1000);
+    }
+
+    public static int calculateTimestamp(int min, int sec, int ms) {
+        return (min * 60 * 1000) + (sec * 1000) + ms;
+    }
+}