Instrumentation: the default probe should pass specific types to the general object case unless overridden.
Ruby: restore prototype debugger.
mx: set correct permissions for graal.jar

--HG--
extra : rebase_source : be84001af444ef683ede03ab3cfd19049fcf0da8
changelog: switch to markdown syntax

--HG--
rename : CHANGELOG.html => CHANGELOG.md
extra : rebase_source : fde1a5c087b7845adf2b1660304286ee747a5871
Make NewMultiArrayNode a ArrayLengthProvider so that it can provide the length of its first dimension

--HG--
extra : amend_source : 84136850d0d96674f7bb90b7e1e3a6164b076133
Change CUDA context management to support multiple executions of a kernel. Exclude GPU offloading of lambdas from java.* library code.