Add sample 'hello world' app and enabled_apps config variable.

apps/hello/app.rc

@@ -0,0 +1,12 @@
+fn hello_test {
+    ~ $req_path /hello
+}
+
+fn hello_setup {
+    app_body_handler = 'hello_body'
+    pageTitle='Hi title!'
+}
+
+fn hello_body {
+    echo 'Hello world!'
+}

bin/cgilib.rc

@@ -261,12 +261,9 @@ fn gen_blog_post_title {
 ###################################
 # App framework
 
-
-app_list=( hello )
-
 fn select_apps {
     found=()
-    for(a in $app_list) {
+    for(a in $enabled_apps) {
         . ./apps/$a/app.rc
         if($a^'_test') {
             $a^'_setup'

etc/initrc

@@ -28,6 +28,9 @@ formatter=(fproc_cache.rc markdown.pl)
 # Enable debugging, to disable set to ()
 debug=true
 
+# Globablly enabled apps
+#enabled_apps=( hello )
+
 # Default site variables, must be set in initrc.local or _werc/config, only siteTitle is required.
 #masterSite=cat-v.org # Not required!
 #siteTitle='cat-v'