Merge pull request #13 from sumitsavla/master

Details screen and nav bar custom
Merge pull request #14 from sumitsavla/master

sharing screen
Adding a singleton model for PayPalconfig
Merge pull request #15 from sagpatil/sagar_sprint-1

Adding a singleton model for PayPalconfig
Adding a UILabel in stead of button for SelectedChapter - fixes a lot of issues
Merge pull request #16 from sagpatil/sagar_sprint-1

Adding a UILabel in stead of button for SelectedChapter - fixes a lot of...
Adding Model for event
Merge pull request #17 from sagpatil/sagar_sprint-1

Adding Model for Event
Adding Parse pod and able to connect to parse
Merge pull request #18 from sagpatil/sagar_sprint-1

Adding Parse pod and able to connect to parse