Begin Pagination Logic "Lazy Loading"
Removed unnecessary sassy css
Set count to 6 images by default

- Set images count to 6 by default
- Removed navbar from the container and placed it in the body
- Updated service url
- Few minor UI tweaks
Removed optional directive attribute

- This fixes the upwards scroll trigger
Removed bad code, Refactor and Refine the App
Lazy Loading Completed, Just need to call the API

- Simulated lazy loading using getimages service (till i find the proper
documentation about next_url param
- Refined the code
- Documented the code and renamed the functions with more meaningful
names
- Certain other improvements
Merge remote-tracking branch 'origin/Development'