project: conform to a swifty way of coding

This commit:
- adapts code to a more Swifty way of coding
- uses previously added frameworks to make the code "type safer"

Change-Id: I5332e2843e82cac4f4f9af79714993863ef5963d
42 files changed
tree: 18b64aeda8a5d6d75cc2da96d6f080100bc86796
  1. Ring/
  2. .gitignore
  3. .gitreview
  4. compile-ios.sh
  5. COPYING