Merge pull request #12 in MM/mpin-sdk-core from feature/custom_headers to master

* commit '50a8169a7062b963e39e9fd0dc895719d51e261b':
  Add custom headers to MPinSDK
tree: eb4ed899591ebd0ede060e1d45d7d4e4ebec1b81
  1. ext/
  2. project/
  3. src/
  4. tests/
  5. .gitignore
  6. LICENSE
  7. NOTICE
  8. README.md
README.md

Mobile SDK core