Update version to 3.7.0-SNAPSHOT

Author: dmulloy2

ProtocolLib/pom.xml

@@ -2,9 +2,9 @@
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.comphenix.protocol</groupId>
-  <artifactId>ProtocolLib</artifactId>
-  <version>3.6.0-SNAPSHOT</version>
-  <name>ProtocolLib</name>
+  <artifactId>ProtocolLib-Legacy</artifactId>
+  <version>3.7.0-SNAPSHOT</version>
+  <name>ProtocolLib-Legacy</name>
 
   <description>Provides read/write access to the Minecraft protocol.</description>
   <url>http://www.spigotmc.org/resources/protocollib.1997/</url>