Add 427 event record

	new file:   _posts/2014-7-04-rg-special-panel-discussion.markdown
	modified:   events/index.html
	new file:   images/116f8f4f9ac143a2875259dce9389850.jpg
	new file:   images/RG2014LOGO-300.jpg
Merge branch 'master' of github.com:railsgirls-taiwan/railsgirls-taiwan.github.io