Client: 1. 去掉print; 2. updated -> Version (最后更新时间);
3. 添加SLOT clearArticle()用来清空本编辑器;
4. 标题更新后点击编辑按钮将更章标题;
Merge branch 'client' of github.com:slixurd/tNotes into client

Conflicts:
	client/tnotessearchtool.cpp