preparation for MPS-18439: comment some code
fix MPS-18439: remove obsolete getIcon method
MPS-18439: getClassesGenFolder accepts descriptorFile instead of module source dir
MPS-18439: do not listen original module descriptors in case of packaged modules
MPS-18439: inline ModulesMiner#getRealDescriptorFile(SModule)
MPS-18439: fix updatePackagedDescriptorClasspath in case of classes_gen as java class stub root
MPS-18439: fix javaModuleFacetImpl#getClassesGen in case of classes gen
MPS-18439: right fix updatePackagedDescriptorClasspath
MPS-18439: comment updatePackagedDescriptor
MPS-18439: dd cannot be null
MPS-18439: extract sourcesDescriptorFile
MPS-18439: initial commit of AbstractModule#convertPath
MPS-18439: restore hack for /classes & /classes_gen
MPS-18439: disable libraries loading from source module descriptor
MPS-18439: fix convertPath
MPS-18439: additional comment in AbstractModule
MPS-18439: restore getSourceModuleDescriptor in ModuleFileTracker