Add tests for the sidebar micropost counts (including proper pluralization).
Fixed test about a singular post.
Fixed test about multiple posts.
Add tests for micropost pagination.
use context method in place of describe
fill in require
Fixed test codes.
Refactor the Home page to use separate partials
Test to confirm delete links don't appear for microposts created by the other user
Added test to make sure each micropost has a content itself.
removed too much test codes.
Using partials, eliminate the duplication in the delete links
Add expect method for checking count exactly
rename target object
Merge branch 'exercise_10_2' into chap10
Merge branch 'exercise_10_3' into chap10
Merge branch 'exercise_10_4' into chap10
Merge branch 'exercise_10_5' into chap10