Merge remote-tracking branch 'jaggr/master' into nio
Revert "Remove restiction on supporting require list expansion and named modules when optimziation level is none"

This reverts commit f18c811f0013bbb38650262c7af0769ac79d4794.
Revert unintended changes to org.eclipse.jdt.core.prefs
Merge pull request #160 from chuckdumont/nio

Avoid decoding modules specified in request when requested layer is in cache
revert unintended changes to org.eclipse.jdt.core.prefs
Merge remote-tracking branch 'jaggr/master' into jaggr-core