30123
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10604 update Opal in image to latest version
https://pharo.fogbugz.com/f/cases/10604
10595 Set environment for #compiler in Smalltalk>>#compiler
https://pharo.fogbugz.com/f/cases/10595
Diff information: http://smalltalkhub.com/mc/Pharo/Pharo30/main/System-Support-MarcusDenker.829.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/OpalCompiler-Tests-MarcusDenker.134.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/OpalCompiler-Core-MarcusDenker.250.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/Compiler-MarcusDenker.456.diff
