Revert "Upgraded to latest oauth2client"

This reverts commit 7f2c3a3e5e429f4bbe2f347ed3457ccc62637320.
Revert "Updated rpm spec file with oauth2client files"

This reverts commit 0994dc88061006e17f66104407ea275895f7ba22.
Revert "Revert "Upgraded to latest oauth2client""

This reverts commit 1826d7b878d65dc6fe9f779492150f8f63c722f4.
Revert "Revert "Updated rpm spec file with oauth2client files""

This reverts commit 5c90268bf41f1c105a16ea752f354071e1a5addc.