IDEA-131188 IDEA becomes very slow to respond - fixed VirtualMachine leaks

(cherry picked from commit 27c093e2dae2bd64aad3de95d80f9c10e90dfcd3)
Merge remote-tracking branch 'origin/139' into 139
IDEA-131105 Inspect arrays and collections does not work

(cherry picked from commit 18806559d62a8abe8d914f1dedcc87e9e5c4d97b)
EA-61766 - NPE: XDebuggerInstanceTreeCreator$InstanceEvaluatorTreeRootValue.computeChildren

(cherry picked from commit d015f6995e4425b4a60a1d8f3b4170868cd897d9)
IDEA-125136 variables/watches are not updated when changes come from different view

(cherry picked from commit 8f9360d237c0d3e939d5e42e16856590617d68c2)
api comments

(cherry picked from commit 9acb3e9567c6f8b61af07a4356117e7c51178d53)