[Johnny Clasrk] IsNull IsNotNull True False Checks and Assertions (IDEA-35808)
don't hold Project in statics
@NotNull
fix some idea warnings
IDEA-99659 Groovy: don't complete anonymous class or instance where array is expected
IDEA-95898 Gradle based projects should offer Auto-Import as Maven projects do

Iteration 3: there is a component which knows how to resolve project structure changes. Auto-importer now delegates to it
cli-parser.jar added to jps distribution
OC-6207 Remove unused receiver and parameter variables in Inline Method
Gradle: show project refresh update messages at the main progress indicator text (make them visible for the indicators located at the status bar)
ambiguous method call: choose one method if both are from the same hierarchy as the actual problem is there (IDEA-101529)
more specific method should be chosen before static access is checked (IDEA-101480)
plugin repository: forbid 2 || threads reading available plugins; disable refresh action when plugins are loading (IDEA-99902)
IDEA-101456 Throwable at com.intellij.openapi.application.impl.ApplicationImpl.assertWriteAccessAllowed.
also remove temporary breakpoint after hit when debug process stops
RUBY-13089: ruby specific options moved to ruby extansion for Darcula
hide splash when welcome screen is shown
fix unnesessary ExecutionException logging
IDEA-98409 groovy create function generates return statement for def return value
lambda: skip parenthesis exprs
skip spaces after incomplete members only
IDEA-95898 Gradle based projects should offer Auto-Import as Maven projects do

GradleJarManager correctly performs bulk 'import jars' operation by separating jars by library