update img
delete error images
Merge branch 'gh-pages' of github.com:linzhenjie/blog.linzhenjie.com into gh-pages

Conflicts:
	_posts/html/2014-11-21-javascript-framework-pk.markdown
	_site/assets/themes/program/css/style.css
	_site/imgReplace.php
	assets/themes/program/css/style.css
	imgReplace.php
	resource/php.md
delete error img