new icons added
Merge branch 'master' of https://github.com/paymill/paymill-ios

# By Aleksandar Yalnazov
# Via Aleksandar Yalnazov
* 'master' of https://github.com/paymill/paymill-ios:
  Update README.md
Merge branch 'master' of https://github.com/paymill/paymill-ios

# By Aleksandar Yalnazov
# Via Aleksandar Yalnazov
* 'master' of https://github.com/paymill/paymill-ios:
  Update README.md