Added getControl() method that returns all elements matching the specified strategy
Added a system test to test new getControls() functionality
YelpTest.java and several other test classes now use AbstractTest.java, and removed unnecessary CB.java class
Fixed a minor typo in Yelp.java
Added LoggerUnitTest.java to check if candybean logger is configured through candybean configuration file
Fixed example test in documentation and added documentation for sample test