Blog and categories migrations

Signed-off-by: Jorge Omar Vazquez <jorgeomar.vazquez@gmail.com>
Improving the rest authentication with a director and two strategies.
Need to rename the blog.py to vazquez.py to avoid the clash between
the module blog.

Signed-off-by: Jorge Omar Vazquez <jorgeomar.vazquez@gmail.com>
Unstable branch, testing rest functionality
Unstable branch, testing rest functionality
Merge branch 'master' of https://github.com/jvazquez/blog.git
Removing self named file...

Signed-off-by: Jorge Omar Vazquez <jorgeomar.vazquez@gmail.com>