add SigarVersion getter

bindings/java/src/org/hyperic/sigar/Sigar.java

@@ -959,6 +959,10 @@ public class Sigar implements SigarProxy {
      */
     public native String getFQDN() throws SigarException;
 
+    public SigarVersion getSigarVersion() {
+        return new SigarVersion();
+    }
+
     /**
      * Enabling logging in the native Sigar code.
      * This method will hook log4j into the Sigar

bindings/java/src/org/hyperic/sigar/SigarProxy.java

@@ -172,5 +172,7 @@ public interface SigarProxy {
 
     public NetInfo getNetInfo() throws SigarException;
 
+    public SigarVersion getSigarVersion();
+
     public String getFQDN() throws SigarException;
 }