Move eclipse compiler patch to POM changes patch

Also update to Paperclip 1.1-SNAPSHOT

Spigot-API-Patches/POM-changes.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] POM changes
 
 
 diff --git a/pom.xml b/pom.xml
-index 98f2d67a..9934e9af 100644
+index 98f2d67a..49fe56cc 100644
 --- a/pom.xml
 +++ b/pom.xml
 @@ -0,0 +0,0 @@
@@ -105,6 +105,15 @@ index 98f2d67a..9934e9af 100644
          <plugins>
              <plugin>
                  <groupId>org.apache.maven.plugins</groupId>
+                 <artifactId>maven-compiler-plugin</artifactId>
+                 <version>3.7.0</version>
+-                <configuration>
+-                    <!-- we use the Eclipse compiler as it doesn't need a JDK -->
+-                    <compilerId>eclipse</compilerId>
+-                </configuration>
+                 <dependencies>
+                     <!-- we need our custom version as it fixes some bugs on case sensitive file systems -->
+                     <dependency>
 @@ -0,0 +0,0 @@
                      </dependency>
                  </dependencies>