Update pom.xml to Minecraft 1.9

By: md_5 <git@md-5.net>

paper-api/pom.xml

@@ -11,7 +11,7 @@
 
     <groupId>org.bukkit</groupId>
     <artifactId>bukkit</artifactId>
-    <version>1.8.8-R0.1-SNAPSHOT</version>
+    <version>1.9-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>Bukkit</name>
@@ -123,7 +123,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>animal-sniffer-maven-plugin</artifactId>
-                <version>1.13</version>
+                <version>1.14</version>
                 <executions>
                     <execution>
                         <phase>process-classes</phase>
@@ -143,7 +143,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>2.3</version>
+                <version>2.4.1</version>
                 <executions>
                     <execution>
                         <phase>package</phase>