Move consumer key/secret into Info.plist

This allows the project to build out-of-the-box.  Runtime checks will suffice to inform the user that the key/secret are missing.
Update Source/Classes/TWViewController.m

uses cancelButtonIndex property on UIActionSheet
Merge pull request #5 from Hafthor/master

Resolution for Issue #4
Merge pull request #3 from Tout/feature/change_key_and_secret_setup

Move consumer key/secret into Info.plist
Updates project to latest recommended settings.
Updates project to latest recommended settings.
Merge branch 'master' of github.com:seancook/TWReverseAuthExample

Conflicts:
	Source/Other/TWiOSReverseAuthExample-Info.plist
Updates README with new directions for keys
Adds timeout to URL request.

Originally recommended by user johnkdoe. Merged manually.
Unwraps lines truncated at 80 cols.

We live in a modern world of widescreen monitors and I'm tired of
pretending that we don't. If you need/want things wrapped, download
uncrustify and go to town.
Merge branch 'remove_newlines'
Migrates to modern objective-c syntax.

@[] and @{} in the hizzouse.
Axes newlines
Squashed commit of the following:

    Adding in logging methods
Multiple changes to address common errors

1) Adds a fallback when using the iOS Simulator to ensure that local
account status is properly returned
2) Collects error checking to all reside before the user can click the
button to initiate the request
3) Removes excess NSAsserts. We're all adults here.
Alert with button to move twitter settings

When device has no accounts