Update 'rake post' to support category on command line

Updated comment.
Creating a post with multiple tags require no whitespaces between tags:
 rake post title="A Title" [date="2012-02-09"] ... tags=[tag1,tag2]
or quotes:
 rake post title="A Title" [date="2012-02-09"] ... tags="[tag1, tag2]"
Merge pull request #183 from Miguelos/patch-2

Update 'rake post' to support category on command line
first commit
add cname for github.jonathantsai.com
moving jontsai.github.com to jekyll-based, using jekyll-bootstrap
404 page touchups and config settings
put delayer redirect back in
add a feed
ignore emacs tempfiles
fix feed values
moved pages to pretty urls
update pages list
trying to get topbar nav to display the pages i want
a bunch of changes. reskinned with my own theme, making this the home of jonathantsai.com
a bunch of changes -- look and feel and fixing some templates
updated a lot of styles; added animation; move back to .html pages
adding credits module
update config
update credits and credits module
fix typo