Remove blogger and add summary to Post.rb
Revert "Remove blogger and add summary to Post.rb"

This reverts commit 74d0dbde97fd99fe41a1f2f7893d83a057926502.
add blog summary
add blog summary to views
add blog summary to views
add blog summary to views
add blog summary to views
add blog summary to views
add blog summary to views
add blog summary to views