fixed PY-12970 Extract variable: disable refactoring for parts of comrehensions
IDEA-125285, EA-645852: AppCode exception on start up +review
style
compilation fixed: use dependency on 'annotations' module instead of 'annotations.jar'
replace @Nullable findInstance with @NotNull utility with logging (EA-55734)
fixed no toString value
IDEA-125289 Unexpected navigation after folding
IDEA-125237 (Misordered 'assertEquals()' arguments: support non-primitives)
PY-12810 "imported" urls are not supported by {% url %} tag ( "patterns +=" now supported)
vcs specific classes moved from lang-impl to vcs-impl
OC-9949 Breakpoint editing popup layout is broken
Gradle: nonclasspath finder updated to search psi classes in groovy sources
IDEA 123484: get rid of PsiImplUtil.isTrait(PsiClass)
IDEA 123484: support for trait fields. Accessors and pack__name fields
some dependencies from lang-impl to vcs-impl removed
removed unused code to get rid of dependencies from lang-impl to vcs-impl
removed unused action to lessen dependency lang-impl on vcs-impl
CopyPastePostProcessor interface converted to class so incompatible plugins won't break copy-paste functionality (and exception will be shown only on first invocation)
moved to ui-ex
introduce groovy-psi module