Clean up build process, Use new CodeMirror Spell Checker

Author: Wes Cossick

debug/simplemde.css

@@ -58,7 +58,7 @@
 }
 .cm-fat-cursor .CodeMirror-cursor {
   width: auto;
-  border: 0;
+  border: 0 !important;
   background: #7e7;
 }
 .cm-fat-cursor div.CodeMirror-cursors {
@@ -672,5 +672,5 @@ span.CodeMirror-selectedtext { background: none; }
     opacity: .5;
 }
 .CodeMirror .cm-spell-error:not(.cm-url):not(.cm-comment):not(.cm-tag):not(.cm-word) {
-	 background: rgba(255, 0, 0, .15);
+    background: rgba(255, 0, 0, .15);
 }