Implement ViewPager

https://trello.com/c/b6DRORuE/16-create-view-pager-and-dummy-fragments-for-each-tab
Add Placeholder fragments for each tab

https://trello.com/c/b6DRORuE/16-create-view-pager-and-dummy-fragments-for-each-tab
Merge pull request #2 from SyntaxDesigns/view-pager-creation

View pager creation