Putting in wallet, creating wallet fragment and Buy With Google button on checkout.
Merge branch 'develop' of https://github.com/ehis/SmartShop into develop

# By Brandon Fairchild (4) and others
# Via Ehidiamen Ojielu (4) and others
* 'develop' of https://github.com/ehis/SmartShop:
  made some minor changes
  got email working for sign up
  Removed background.png and search icon on action bar
  smartshop.iml
  email (not working yet)
  SERVER - pulled router out of api package.
  SERVER - fixed IP binding. added favicon ignore.
  SERVER - added instructions.
  SERVER - server stuff.
  resolved conflict with strings.xml added signup validation
  changes to string.xml
  Fixed issues with files in wrong place