Remove local workaround from Java, introduce a testcase for ".keyword"

Author: isagalaev

src/languages/java.js

@@ -25,15 +25,6 @@ function(hljs) {
       hljs.C_BLOCK_COMMENT_MODE,
       hljs.APOS_STRING_MODE,
       hljs.QUOTE_STRING_MODE,
-      {
-        /*
-        Local workaround for a general problem.
-        The begin regex constructed from `beginKeywords` has no way to ensure the absence of
-        the dot before the identifier, so the word "class" in `obj.class()` triggers the whole
-        class mode. Ugliness ensues.
-        */
-        begin: '\\.' + hljs.UNDERSCORE_IDENT_RE, relevance: 0
-      },
       {
         beginKeywords: 'protected public private', end: /[{;=]/,
         keywords: KEYWORDS,

src/test.html

@@ -776,7 +776,7 @@ <h2>Automatically detected languages</h2>
 <pre><code>function $initHighlight(block, flags) {
   try {
     if (block.className.search(/\bno\-highlight\b/) != -1)
-      return processBlock(block, true, 0x0F) + ' class=""';
+      return processBlock(block.function, true, 0x0F) + ' class=""';
   } catch (e) {
     /* handle exception */
     var e4x =