added MANIFEST.in
added MANIFEST.in

cdvv7788/pinax-blog,swilcox/pinax-blog,easton402/pinax-blog,easton402/pinax-blog,miurahr/pinax-blog,caktus/biblion,kellycreativetech/servee_blog,miurahr/pinax-blog,salamer/pinax-blog,pinax/pinax-blog,pinax/pinax-blog,swilcox/pinax-blog,pinax/pinax-blog