make setup() more modular with setupTorExecutable()

Author: zeroleak

java/src/main/java/com/msopentech/thali/java/toronionproxy/JavaTorInstaller.java

@@ -77,12 +77,14 @@ public void setup() throws IOException {
         LOG.info("Installing resources: geoip=" + config.getGeoIpFile().getAbsolutePath());
         cleanInstallOneFile(getAssetOrResourceByName(TorConfig.GEO_IP_NAME), config.getGeoIpFile());
         cleanInstallOneFile(getAssetOrResourceByName(TorConfig.GEO_IPV_6_NAME), config.getGeoIpv6File());
+        setupTorExecutable();
+    }
 
+    protected void setupTorExecutable() throws IOException {
         LOG.info("Installing tor executable: " + config.getTorExecutableFile().getAbsolutePath());
         File torParent = config.getTorExecutableFile().getParentFile();
         extractContentFromZip(torParent.exists() ? torParent : config.getTorExecutableFile(),
                 getAssetOrResourceByName(getPathToTorExecutable() + "tor.zip"));
-
         setPerms(config.getTorExecutableFile());
     }