new modified PCA now default

meloptions.h

@@ -192,8 +192,8 @@ class MelodicOptions {
    joined_vn(string("--sep_vn"), true,
    	   string("switch off joined variance nomalisation"), 
        false, no_argument),
-   dr_pca(string("--mod_pca"), false,
-	   string("switch on modified PCA for concat ICA"),
+   dr_pca(string("--mod_pca"), true,
+	   string("switch off modified PCA for concat ICA"),
 	   false, no_argument, false),
    vn_level(string("--vn_level"), float(2.3),
 	   string("variance nomalisation threshold level (Z> value is ignored)"), 
@@ -222,7 +222,7 @@ class MelodicOptions {
    tsmooth(string("--spca"),  false,
 	   string("smooth the eigenvectors prior to IC decomposition"), 
 	    false, no_argument, false),
-   epsilon(string("--eps,--epsilon"), 0.0005,
+   epsilon(string("--eps,--epsilon"), 0.00005,
 	   string("minimum error change"), 
 	   false, requires_argument),
    epsilonS(string("--epsS,--epsilonS"), 0.03,