Merge pull request #62 from anshul1235/contributions

added search for books
added icon
Merge pull request #63 from anshul1235/avtesting

added icon
Fixed get book info not working
Merge branch 'contributions' of github.com:barterli/barterli_android into contributions
Integrated google sign in
Merge branch 'contributions' of github.com:barterli/barterli_android into contributions
Ui changes