Add following/followed feature and block user feature#22

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ety001 wants to merge 6 commits intoProtobiaTech:dev-websitefrom

ety001:following_and_block

Commits on May 25, 2017

Commits on May 26, 2017

Add unfollowing api and relationship numbers api
ETY001
committed
Add isFollowed Api
ETY001
committed
Finish the frontend following buttons, the logic of block user form timeline and comments
ETY001
committed

Commits on Jun 1, 2017

Merge branch 'dev-website' into following_and_block
ety001
authored