pass node pointer to MPSLocation #MPS-18567 fixed
do not drop model stereotype in model chooser #MPS-18491 fixed
remove redundant cast
fix NPE #MPS-17605 fixed
check node for null and reattach painters on model change #MPS-18551 fixed
Merge branch '3.0/julia/master' into MPS3.0
Merge branch 'MPS3.0'
prevent NPE #MPS-17528 fixed

Conflicts:

	languages/util/runConfigurations/solutions/jetbrains.mps.execution.api/jetbrains/mps/execution/api/configurations.mps
	languages/util/runConfigurations/solutions/jetbrains.mps.execution.api/source_gen.caches/jetbrains/mps/execution/api/configurations/generated
	languages/util/runConfigurations/solutions/jetbrains.mps.execution.api/source_gen/jetbrains/mps/execution/api/configurations/trace.info
	plugins/execution-configurations/languages/plugin/jetbrains/mps/execution/configurations/implementation/plugin/plugin.mps
	plugins/execution-configurations/languages/plugin/source_gen/jetbrains/mps/execution/configurations/implementation/plugin/plugin/JUnitTests_Producer.java
	plugins/mps-build/pluginSolutions/jetbrains.mps.build.pluginSolution/models/jetbrains/mps/build/pluginSolution/plugin.mps
	plugins/mps-build/pluginSolutions/jetbrains.mps.build.pluginSolution/source_gen/jetbrains/mps/build/pluginSolution/plugin/BuildScript_Producer.java
	plugins/mps-obsolete/languages/solutions/jetbrains.mps.buildlanguage.execution/models/jetbrains/mps/build/deprecated/execution.mps
	plugins/mps-obsolete/languages/solutions/jetbrains.mps.buildlanguage.execution/source_gen.caches/jetbrains/mps/build/deprecated/execution/generated
	plugins/mps-obsolete/languages/solutions/jetbrains.mps.buildlanguage.execution/source_gen/jetbrains/mps/build/deprecated/execution/CustomMPSApplication_Producer.java
	plugins/mps-obsolete/languages/solutions/jetbrains.mps.buildlanguage.execution/source_gen/jetbrains/mps/build/deprecated/execution/trace.info
Merge branch '3.1/julia/master'
rebuild required