Start will not do setup.

Start will throw an exception if calabash framework is not setup
Added touch to the top level UIElements to make it easier
Added method to return calabash target name in use
Introduced log4j and logging options
Logging events
Moved to a rolling file appender
Added log4j to build
Unit tests for CalabashConfiguration
Removing unused methods and files
More JavaDoc
Removes unwanted messages about cucumber from the exception message
Adding system env variables to JRuby runtime
Fixing varargs passing from Java to Jruby. Need to use * to get it working
Added NO_LAUNCH config
Added restart() to application
Removed final modifier from IOSApplication
Checking for empty string in confgi values