day 5 and 9 tarnning

Summary:
copmleted ticket  	50466,50470
task done:
pager + action bar + tabs example added , project structure improved

async task used for background processing, network clint added to fetch data from server,GSON used to parse the response

Test Plan: progress review

Reviewers: zaid.tariq

CC: omair.sajid

Differential Revision: http://phabricator.confiz.com/D1318
new activity added to take input from user, database helper added to store and retrive data from database,
conflict resolved