Merge pull request #11 from srahul07/master

pull changes in ResourceManager
Merge pull request #12 from srahul07/master

request for new updates
Merge pull request #13 from srahul07/master

pull changes in book handling part
Merge pull request #14 from srahul07/master

request for changes in webservices
Adding changes to constants
Merge pull request #11 from guptachandan340/master

merging changes in constants.java file