Added $(prefix)/lib to the LD_LIBRARY_PATH

This fixes Java being unable to find libOTExtension.so.

Sep 08, 2014 2:38:12 PM edu.biu.scapi.comm.SecuringConnectionThread run
INFO: state: connecting edu.biu.scapi.comm.PlainTCPChannel@6c60efe7
state: connecting
Sep 08, 2014 2:38:12 PM edu.biu.scapi.comm.PlainTCPChannel connect
INFO: Trying to connect to /127.0.0.1 on port 8000
Sep 08, 2014 2:38:12 PM edu.biu.scapi.comm.PlainTCPChannel connect
INFO: Socket connected
Sep 08, 2014 2:38:12 PM edu.biu.scapi.comm.ListeningThread run
INFO: Trying to listen 8000
Sep 08, 2014 2:38:12 PM edu.biu.scapi.comm.SecuringConnectionThread run
INFO: state: securing edu.biu.scapi.comm.PlainTCPChannel@6c60efe7
Sep 08, 2014 2:38:12 PM edu.biu.scapi.comm.SecuringConnectionThread run
INFO: state: ready edu.biu.scapi.comm.PlainTCPChannel@6c60efe7
Sep 08, 2014 2:38:12 PM edu.biu.scapi.comm.SecuringConnectionThread run
INFO: End of securing thread runedu.biu.scapi.comm.PlainTCPChannel@6c60efe7
Sep 08, 2014 2:38:12 PM edu.biu.scapi.comm.ListeningThread run
INFO: End of listening thread run
Sep 08, 2014 2:38:12 PM edu.biu.scapi.comm.SecuringConnectionThread run
INFO: state: securing edu.biu.scapi.comm.PlainTCPChannel@7dca8d36
End of listening thread run
Sep 08, 2014 2:38:12 PM edu.biu.scapi.comm.SecuringConnectionThread run
INFO: state: ready edu.biu.scapi.comm.PlainTCPChannel@7dca8d36
Sep 08, 2014 2:38:12 PM edu.biu.scapi.comm.SecuringConnectionThread run
INFO: End of securing thread runedu.biu.scapi.comm.PlainTCPChannel@7dca8d36
Exception in thread "main" java.lang.UnsatisfiedLinkError: /tmp/scapi-memcpy/install/scapi/libOtExtensionJavaInterface.so: libOTExtension.so: cannot open shared object file: No such file or directory
    at java.lang.ClassLoader$NativeLibrary.load(Native Method)
    at java.lang.ClassLoader.loadLibrary1(ClassLoader.java:1965)
    at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1890)
    at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1880)
    at java.lang.Runtime.loadLibrary0(Runtime.java:849)
    at java.lang.System.loadLibrary(System.java:1088)
    at edu.biu.scapi.interactiveMidProtocols.ot.otBatch.otExtension.OTSemiHonestExtensionSender.<clinit>(OTSemiHonestExtensionSender.java:178)
    at App1.main(App1.java:54)
Job 2, “../../../install/bin/scapi App1 &” has ended