Added support for using accessibilityIdentifier
Starting to write first custom step that does conditional work inside of itself.
Wrote some helper methods to find views by accessibilityIdentifier paths.
Allow for conditionally executing KIF test steps.
Removed unneeded differentation of step vs. scenario when adding steps to a flow scenario
Prevent returning a result from a scenario unless specified.
Added markdown starting to desribe the functionality of Conditional KIF
Allow KIFSequenceScenario to contain sub-scenarios
Fixed problem in sequence scenarios where sub-scenarios where not being started.
Merge branch 'master' of https://github.com/mm-jkolb/KIF

Rebase from mm-origin master