Added example 'Calendar'
Added border to 'container'
Added file reading.

Added file reading to main program for easier testing of whole
questionnaires
Changed factory name+ errors thrown + other

1. Changed factory name to be more descriptive.
2. Changed types of thrown errors  due to IE issue.
3. Moved root tag and dislpay_type attribute as constants.
Added 'Date' renderer

1. Added 'Date' renderer.
1.1 Added "Calendar" object to manage renderer.
2. Added 'wrappingElement' property to 'cellContent'
Merge branch 'master' of https://github.com/Stefanpu13/XMLParser

Conflicts:
	SimpleXMLParser/SimpleXMLParser/Styles/Main.css