snapshot feature
Merge branch 'Dev' of https://github.com/gouthamn/Book_Library_Latest into Dev

# By Vivek
# Via Vivek
* 'Dev' of https://github.com/gouthamn/Book_Library_Latest:
  Scan Feature done

Conflicts:
	Book_Library-master/BookLibrary/LendViewController.m
	Book_Library-master/BookLibrary/ScanViewController.m