comment pagination finish
add comment finish / add loading image
add photo column in user table / import some image tools in the project
ds stroe
Merge branch 'comment'

Conflicts:
	.DS_Store
pagination bug fix
update .gitignore
change .gitignore
almostly finish add article part
add form validation for new article / blog list page article part use strip_tags method
use regexp to remove html tags / add read count / add user popularity count
add extra links
ignore DS_Store
delete some useless thing..
 Please enter the commit message for your changes. Lines starting
Merge branch 'addblog'

Conflicts:
	.DS_Store
normalize the comment time
add root
adjust style
update readme and add GIFs