update elements and fix some bugs

lib/src/prism/components/prism-ini.js

 Prism.languages.ini= {
-        'comment': /^\s*;.*$/m,
-        'important': /\[.*?\]/m,
-        'constant': /^\s*[^\s=]+?(?=[ \t]*=)/m,
+        'comment': /^[ \t]*;.*$/m,
+        'important': /\[.*?\]/,
+        'constant': /^[ \t]*[^\s=]+?(?=[ \t]*=)/m,
         'attr-value': {
-                pattern: /=.*/m,
+                pattern: /=.*/,
                 inside: {
                         'punctuation': /^[=]/
                 }
         }
 };