Continuum Webapp Tests Capture Screenshot for AbstractSeleniumTest.java

The attached patch includes the following changes:
Changed continuum-webapp-tests/pom.xml selenium version from 0.9.2 to 1.0.1
Added a captureEntirePageScreenshot to AbstractSeleniumTest.java
Added a catch block for every failed assertion to do a screen capture and save them to target/screenshots directory
Formatted the filename of the captured file as "methodName(className.java:lineNumber)-time.png"

Additional Info:

Maven version: 2.0.10
Java version: 1.5.0_16
OS name: "linux" version: "2.6.27-14-generic" arch: "i386" Family: "unix"

Patch created at revision 785116.

Build Results:
Results :
Tests run: 167, Failures: 0, Errors: 0, Skipped: 0