添加了 隐喻解释的相关代码

Signed-off-by: neosfung <shuai.feng@intel.com>
更新了百科的词频文件

Signed-off-by: neosfung <shuai.feng@intel.com>
更新了 排除列表

Signed-off-by: neosfung <shuai.feng@intel.com>
重新跑了一次百科的识别，google ajax api不能用

Signed-off-by: neosfung <shuai.feng@intel.com>