Added button for opening the AutoPkg RecipeOverrides dir. This can be an array too so I need to handle that.
Improved detection of AutoPkg RecipeOverrides dir, Cache dir, RecipeRepos dir, and local Munki repo.
Added Eldon Ahrold to Credits.rtf.
Merge pull request #92 from lindegroup/recipe-overrides-button

Recipe overrides button
Added Apache License 2.0.
Added Apache License boilerplate to all source files.
Merge commit 'cb9246b62ec63285c8a37c0090e0fc63147902c8' into progress-indicators

* commit 'cb9246b62ec63285c8a37c0090e0fc63147902c8':
  Added Apache License boilerplate to all source files.
  Added Apache License 2.0.
  Added Eldon Ahrold to Credits.rtf.
  Improved detection of AutoPkg RecipeOverrides dir, Cache dir, RecipeRepos dir, and local Munki repo.
  Added button for opening the AutoPkg RecipeOverrides dir. This can be an array too so I need to handle that.

Conflicts:
	AutoPkgr/LGConfigurationWindowController.h
	AutoPkgr/LGConfigurationWindowController.xib