Updated README to cater for release vs SVN
Updated README to cater for release vs SVN

kecsap/LibXtract,jamiebullock/LibXtract,caseybasichis/LibXtract,caseybasichis/LibXtract,jamiebullock/LibXtract,eriser/LibXtract,caseybasichis/LibXtract,kecsap/LibXtract,eriser/LibXtract,kecsap/LibXtract,eriser/LibXtract,jamiebullock/LibXtract