Bug 449546 - [responsiveness] No error logged when UI froze during
opening type hierarchy on java.lang.Object on Mac

This change depends on https://git.eclipse.org/r/#/c/35998/

Change-Id: Ib4be65387c226f425aa73d94abbe03dba7667379
Signed-off-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Bug 450209 - [Tests] Migrate org.eclipse.e4.core.commands.tests to
JUnit4 

Change-Id: I649242d8a0838ecda478398183fc91fca685f156
Signed-off-by: Thibault Le Ouay <thibaultleouay@gmail.com>
Bug 435504 - [Trim] Cleanup HeapStatus and convert into a ToolControl

Change-Id: Ie890fd2942556b4f4ab8d70f9497f540659165ee
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>