Update internal versioning for 1.9

It looks like most things are stable at this point, just have to figure
out data watchers

ProtocolLib/src/main/java/com/comphenix/protocol/ProtocolLibrary.java

@@ -92,12 +92,12 @@ public class ProtocolLibrary extends JavaPlugin {
 	/**
 	 * The maximum version ProtocolLib has been tested with,
 	 */
-	public static final String MAXIMUM_MINECRAFT_VERSION = "1.8.8";
+	public static final String MAXIMUM_MINECRAFT_VERSION = "1.9";
 
 	/**
-	 * The date (with ISO 8601 or YYYY-MM-DD) when the most recent version (1.8.8) was released.
+	 * The date (with ISO 8601 or YYYY-MM-DD) when the most recent version (1.9) was released.
 	 */
-	public static final String MINECRAFT_LAST_RELEASE_DATE = "2015-07-27";
+	public static final String MINECRAFT_LAST_RELEASE_DATE = "2016-02-29";
 
 	// Update information
 	static final String BUKKIT_DEV_SLUG = "protocollib";

ProtocolLib/src/main/java/com/comphenix/protocol/utility/MinecraftProtocolVersion.java

@@ -39,6 +39,7 @@ public class MinecraftProtocolVersion {
 		map.put(new MinecraftVersion(1, 7, 1), 4);
 		map.put(new MinecraftVersion(1, 7, 6), 5);
 		map.put(new MinecraftVersion(1, 8, 0), 47);
+		map.put(new MinecraftVersion(1, 9, 0), 107);
 		return map;
 	}
 

ProtocolLib/src/main/java/com/comphenix/protocol/utility/MinecraftVersion.java

@@ -44,6 +44,11 @@ public class MinecraftVersion implements Comparable<MinecraftVersion>, Serializa
 	 */
 	private static final Pattern VERSION_PATTERN = Pattern.compile(".*\\(.*MC.\\s*([a-zA-z0-9\\-\\.]+)\\s*\\)");
 
+	/**
+	 * Version 1.9 - the combat update.
+	 */
+	public static final MinecraftVersion COMBAT_UPDATE = new MinecraftVersion("1.9");
+
 	/**
 	 * Version 1.8 - the "bountiful" update.
 	 */