drop "ignore feature envy in tests" checkbox and use "suppress for 'Tests' scope" quickfix
drop "ignore unused 'catch' parameters in tests" and use "suppress for 'Tests' scope" quickfix
drop "ignore in test code" checkbox and use "suppress for 'Tests' scope" quickfix
cleanup and clarify
drop "ignore in test code" checkbox and use "suppress for 'Tests' scope" quickfix
ready to nulls (EA-52470 - IAE: TypeCompatibilityConstraint.<init>)
introduce variable: forbid to replace write occurrences which occur after read; insert declaration after write usage (IDEA-117204)
reuse stub reference text in qualified name calculation [^peter]
IDEA-117071 (language level in decompiled .class files)
NPE in mouse handler
IDEA-117059 (same temp. directory for updater)
IDEA-117059 (error reporting in updater fixed)

- setting/reading hasError flag sequenced properly
- closing ops on ZIP stream moved out of finally blocks so that informative IOExceptions would not get suppressed by cryptic induced ZipExceptions