Changed style of comments with asterisks to avoid highlighting errors on //* with weak highlighters, change is to all files that could potentially break highlights

Most were needed, though some were just for possible problems with highlighting, should not affect performance whatsoever.

indra/llmessage/llcurl.cpp

@@ -395,7 +395,7 @@ U32 LLCurl::Easy::report(CURLcode code)
 	if (code == CURLE_OK)
 	{
 		check_curl_code(curl_easy_getinfo(mCurlEasyHandle, CURLINFO_RESPONSE_CODE, &responseCode));
-		//*TODO: get reason from first line of mHeaderOutput
+		// *TODO: get reason from first line of mHeaderOutput
 	}
 	else
 	{
@@ -715,7 +715,7 @@ S32 LLCurl::Multi::process()
 			else
 			{
 				response = 499;
-				//*TODO: change to llwarns
+				// *TODO: change to llwarns
 				llerrs << "cleaned up curl request completed!" << llendl;
 			}
 			if (response >= 400)