Automated tests for nightly builds

Tests are run every time after a new build is generated from trunk. New build is compiled nightly if changes exists in the SVN.

Testrun Default-2008-08-15_175357 changes against previous testrun

Build itmill-toolkit-5.3.0_branches_5.2_200808151751.jar changed memory consumption from 2841kb to 2555kb
component-initialization status changed from PASSED to ERROR.
select-radiobuttons status changed from PASSED to ERROR.
buttons status changed from PASSED to ERROR.
textfields status changed from PASSED to ERROR.
tables status changed from PASSED to FAILED.
tree status changed from PASSED to ERROR.
robustness-complex execution time changed from 26.5s to 31.2s (still PASSED).
datefields status changed from PASSED to FAILED.
select-optiongroup status changed from PASSED to ERROR.
layouts status changed from PASSED to ERROR.