Bump Jenkins version; And make agent jars be downloaded using entrypoint

FirestormLinux/Dockerfile

@@ -38,6 +38,4 @@ ADD ./entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 
 
-RUN curl -sO https://ci.zontreck.com/jnlpJars/agent.jar
-
 ENTRYPOINT [ "/bin/bash", "/entrypoint.sh" ]

FirestormLinux/entrypoint.sh

@@ -1,3 +1,7 @@
 #!/bin/bash
 
+cd /
+curl -sO https://ci.zontreck.com/jnlpJars/agent.jar
+
+
 java -Dfile.encoding=UTF-8 -Dsun.jnu.encoding=UTF-8 -jar /agent.jar -url "https://ci.zontreck.com" -secret "$FSAGENT" -name "LinuxFS" -workDir "/builder"