change background path
Merge branch 'master' of https://github.com/hangsu/bakecalc into gh-pages

Conflicts:
	css/custom.css
Merge branch 'gh-pages' of https://github.com/hangsu/bakecalc into gh-pages

merge gh-pages origin
add blog, blog content to bakecalc
remove custom.css
Merge pull request #39 from bernardjhuang/gh-pages

add old blog content