Client's public folder renamed to static

Regular campaign sender seems to have most of the code in place. (Not tested.)

lib/urls.js

@@ -12,6 +12,10 @@ function getSandboxUrlBase() {
     return urllib.resolve(config.www.sandboxUrlBase, '');
 }
 
+function getPublicUrlBase() {
+    return urllib.resolve(config.www.publicUrlBase, '');
+}
+
 function getTrustedUrl(path) {
     return urllib.resolve(config.www.trustedUrlBase, path || '');
 }
@@ -24,21 +28,34 @@ function getSandboxUrl(path, context) {
     }
 }
 
+function getPublicUrl(path) {
+    return urllib.resolve(config.www.publicUrlBase, path || '');
+}
+
+
 function getTrustedUrlBaseDir() {
-    const ivisUrl = urllib.parse(config.www.trustedUrlBase);
-    return ivisUrl.pathname;
+    const mailtrainUrl = urllib.parse(config.www.trustedUrlBase);
+    return mailtrainUrl.pathname;
 }
 
 function getSandboxUrlBaseDir() {
-    const ivisUrl = urllib.parse(config.www.sandboxUrlBase);
-    return ivisUrl.pathname;
+    const mailtrainUrl = urllib.parse(config.www.sandboxUrlBase);
+    return mailtrainUrl.pathname;
+}
+
+function getPublicUrlBaseDir() {
+    const mailtrainUrl = urllib.parse(config.www.publicUrlBase);
+    return mailtrainUrl.pathname;
 }
 
 module.exports = {
     getTrustedUrl,
     getSandboxUrl,
+    getPublicUrl,
     getTrustedUrlBase,
     getSandboxUrlBase,
+    getPublicUrlBase,
     getTrustedUrlBaseDir,
-    getSandboxUrlBaseDir
+    getSandboxUrlBaseDir,
+    getPublicUrlBaseDir
 };