Lazy load next set of images implemented

- Needs to be tested properly since, I don't quite understand the use of
next_url param. Instagram documentation is quite vague on this.
- Seems to be working for me here :partly_sunny:
JSLint Complaint Script

- Improved code quality
JSLint Configuration

- Seems like spaces between asterisks are very important
HTMLLint, SCSSLint and JSLint performed

- Lintin stuff, keeps me happy
Various Improvements

- Overall quality analysis
Focus on User Experience and User Insterface

- Change overall looks
Updated overall typography, icons, fonts, alignment

- Added specific styles to respective elements
Merge remote-tracking branch 'origin/Development'