Adds BW::Persistence.all to retrieve all keys and values stored as a hash.

This excludes all non-bubble-wrap created persistence items.
Includes test.
Fix syntax of documentation of BW::Mail
Cleaner options setting and overriding. Results in cleaner looking, more readable code.
Merge pull request #378 from rubymotion/mail-fixes

Mail documentation fixes and code tweaks
Adds App::Persistence.all documentation in readme.
Merge pull request #377 from rubymotion/persistence-all

Adds BW::Persistence.all to retrieve all keys and values stored as a hash.
Add the ability to determine app location authorization and not just device specific.
Add BW::Location.authorized? tests.

Passing.
Added documentation for BW::Location.enabled? and BW::Location.authorized?
Merge pull request #380 from rubymotion/location-authorized

Adds BW::Location.authorized?
Move iOS 7 constants to their own file and conditionally compile them.
Merge branch 'refs/heads/master' into fix-ios6-uiactivitycontroller

* refs/heads/master:
  Added documentation for BW::Location.enabled? and BW::Location.authorized?
  Add BW::Location.authorized? tests.
  Add the ability to determine app location authorization and not just device specific.
  Adds App::Persistence.all documentation in readme.
  Cleaner options setting and overriding. Results in cleaner looking, more readable code.
  Fix syntax of documentation of BW::Mail
  Adds BW::Persistence.all to retrieve all keys and values stored as a hash.
Fix missing end statement.