MPS-20180 Speedup classloading in MPS 3.1 with mbeddr set of plugins
MPS-20181 MPS startup time is slow because of RulesManager
MPS-20182 Speedup MPS loading by preventing ConceptEditorHintSettingsComponent from listening for LanguageRegistry on startup time
MPS-20184 [build:MPS-135.1110] null
MPS-20182 Speedup MPS loading by preventing ConceptEditorHintSettingsComponent from listening for LanguageRegistry on startup time
- adding/using setEnabledHints() method - necessary for PersistentStateComponent's State persistence
Merge remote-tracking branch 'origin/MPS3.1' into 3.1/editorUsability
MPS-20201 [3.1/editorUsability] Exceptions in the log
Merge remote-tracking branch 'origin/MPS3.1'

Conflicts:
	core/kernel/source/jetbrains/mps/smodel/runtime/base/BaseBehaviorDescriptor.java
	core/kernel/source/jetbrains/mps/smodel/runtime/interpreted/TextGenAspectInterpreted.java
	core/kernel/source/jetbrains/mps/smodel/structure/DescriptorUtils.java
	core/typesystemEngine/source/jetbrains/mps/typesystem/inference/RulesManager.java
	editor/editor-runtime/source/jetbrains/mps/nodeEditor/InterpretedEditorAspectDescriptor.java
	editor/editor-runtime/source/jetbrains/mps/nodeEditor/hintsSettings/ConceptEditorHintSettingsComponent.java
Merge branch 'master' of ssh+git://git.labs.intellij.net/mps/mps