Version 0.02 (2/17/2014)
 - Fix layout design issues (like misalignments of views)
 - Implement Passenger's user stories
   - User can search for a ride
   - User can send a request to book a ride
   - User can read his/her notifications
 - Implement a Generic Notifications view that is being reused by both
drivers and passengers activities
 - Simplify the Driver view into two tabs instead of three by merging
fragments together
   - The main tab contain bot the ride and current passenger for the
ride
 - Code improvements
   - Use ParseAPI using Parse Model and remove ParseObjectSerializable
interface that became irrelevant
   - Use Joda-Time API to parse Date
   - Various code cleanups