Remove lockfiles from .gitignore
Update cocoapods to latest version
Remove cruft from travis and update pods beforehand
Merge pull request #27 from lawrencelomax/environment-updates

Environment updates - gitignore & cocoapods
Merge branch 'master' of https://github.com/lawrencelomax/LLReactiveMatchers into patch-1

* 'master' of https://github.com/lawrencelomax/LLReactiveMatchers:
  Remove cruft from travis and update pods beforehand
  Update cocoapods to latest version
  Remove lockfiles from .gitignore