Update default options, removed redundant options too.

Author: Godofbrowser

Diff for: dist/vuejs-dialog.min.js

@@ -21,15 +21,14 @@ export const DEFAULT_OPTIONS = {
     html                 : false,
     loader               : false,
     reverse              : false,
-    headline             : "Please confirm",
+    backdropClose        : false,
     okText               : "Continue",
     cancelText           : "Close",
     type                 : CONFIRM_TYPES.BASIC,
     window               : DIALOG_TYPES.CONFIRM,
     message              : "Proceed with the request?",
-    helpText             : "Click the proceed button to continue",
     clicksCount          : 3,
     animation            : 'zoom',
     verification         : 'continue',
     verificationHelp     : 'Type "[+:verification]" below to confirm'
-}
+}