~ fixes after review 2: KotlinJavaMavenConfigurator, KotlinJavascriptMavenConfigurator: public constants -> private, string literal -> constant
~ fixes after review 2: K2JSCompilerMojo
~ fixes after review 2: jslib-example
~ fixes after review 2: idea/testData/configuration/js-maven/libraryMissed: set goal to js in pom.xml
~ fixes after review 2: kotlin-js-library: ensure that sources are built and ready to deploy
~ fixes after review 2: options for compiler in idea
~ compiler error when moduleName = null