Issue #66 - Show passed tests + current test as they being run

TestRunnerViewPart.java:
In postTestResult(), always update the test results display for all the tabs.

AbstractTab.java:
In updateTestResult(), also expanded the method parameters tree items.
Focused on the last method / last method parameter tree item.
Merge pull request #81 from JnRouvignac/master

Issue #66 show test progress in the view