optimize icons
IDEA-133127 Emacs keymap wrong for Unsplit All - fix tests
external build for Maven modules: test corrected
fix PY-14472 Matplotlib import has failed in Python Console (AttributeError: 'module' object has no attribute 'rcParams')
IDEA-133322 Add an intention to convert compareTo(x)==0 to equals
set back button insets
make setupCloseOperation method static
remove code duplicates
IDEA-132912 Toggle buttons ignore ''Show Classes'' in Override Methods dialog
Use getModificationCount() instead (PY-14376, PY-14496)

Because it is changed on every PSI modification, not on the external
interface of a modification.
InspectionsConfigTreeTable#getAdditionalPadding method renamed
lambda -> methref: respect laziness (IDEA-133372)
Merge branch 'python-fixes'
Cleanup (dead code; deprecated API; formatting)
Cleanup (overspecialized interfaces; warnings; formatting)
EDU-290 Answer field doesn't allow to set cursor inside the area by direct clicking
member chooser reverted
EDU-278 NPE while copying text in educational project
Merge remote-tracking branch 'origin/master'
fixed PY-14402 Python interpreter which is set in facet for Java module is not taken into account