Update README.md for usage of new functionalities.

Merge branch 'QuickCapture-V2' of https://github.com/ExtrieveTechnolo…

…gies/QuickCapture_IOS into QuickCapture-V2

Updated Objective-C sample app.

Updated Objective-C sample code w.r.t updated SDK v2.0.0

sample obj-c app updates

updated sample app with proper comments

sample app in objective-c

sample reference application in objective-c for QuickCapture document scanning SDK implementation.