change docs.qiniu.com to developer.qinu.com
fix the bug in sdk/index.html
add a name
Merge remote-tracking branch 'qiniu/master' into 6830_sdk_index_page_link_vs_js_error

Conflicts:
	static/js/docs.js
Merge pull request #92 from SunLn/6830_sdk_index_page_link_vs_js_error

6830 sdk index page link vs js error