SPSession: Maximum event prod timeout of 5.0 seconds

This is somewhat horrible way of alleviating GitHub issue #140 until it can be fixed in libspotify itself.

Change-Id: I66958acbae31c8216e148db8e2c9bd66e27b4fe7

Conflicts:
	common/SPSession.m
Use libspotify 12.1.64 for iOS

Change-Id: I29bc66aefc29bdd55abbb490f3ac38b6e3682ae5

Conflicts:
	iOS Library/CocoaLibSpotify iOS Library.xcodeproj/project.pbxproj
Link iOS projects to Security.framework for 12.1.62

Change-Id: If508a0c7fa79475f06355a24739285b84bf06ac3

Conflicts:
	iOS Library/CocoaLibSpotify iOS Library.xcodeproj/project.pbxproj
	iOS Library/Sample Projects/Empty CocoaLibSpotify Project/Empty CocoaLibSpotify Project.xcodeproj/project.pbxproj
	iOS Library/Sample Projects/Simple Player/Simple Player.xcodeproj/project.pbxproj
Enable armv7s builds for iOS

Change-Id: I703c79d4b94227dba4f4383885193c70bb6c684e
Run audio delivery tests before playlist tests to prevent track loading getting caught up in the playlist subsystem

Change-Id: I88fd522309d02967f1a2db2edc11dd44f665e9fd
Update readme with unit test command line arguments

Change-Id: If3b70228ceddfe1ffaf81cb8a542cdd828592ae2