Merge pull request #124 from gitMbar/dev

Add backend route, logic, cypher request for comments
Hack to handle images of different dimensions
Connect client comment request to server
Merge pull request #125 from vreddy18/master

Hack to handle images of different dimensions
Merge branch 'dev' of https://github.com/gowaddle/waddle into dev
Comment box now takes in user text and sends to server