Adding PK Logo
Merge branch 'master' of github.com:RadiusNetworks/radiusnetworks.github.io

* 'master' of github.com:RadiusNetworks/radiusnetworks.github.io:
  Delete android_doc.md
  Delete getting started
  Delete gettingstarted.md
  Update index.html
  Update index.html
  Update ibeacon-development-kit-instructions.md