Removed commented out code, fixed deprecated code, used generics.
Issue #23 Add test results history to TestNG view

Moved all the date relating to one test suite run to new class SuiteRunInfo.
Created RunHistoryAction class to handle the display.
Fixed SummaryTab to display the results.

TestRunnerViewPart.java:
Moved all data (including the counters and the Launch) and methods relating to one test suite run to SuiteRunInfo + managed creation of SuiteRunInfo objects.
In reset(), disabled all the actions on resetting the view.
Added reset(SuiteRunInfo) to be called by RunHistoryAction.

SuiteRunInfo.java: ADDED
Moved here all data and methods relating to one test suite run from TestRunnerViewPart.

RunHistoryAction.java: ADDED

SummaryTab.java:
Implemented updateTestResult(List<RunInfo>).