compile module test sources from build script
language for testing modules
do not loose path attributes

Conflicts:

	build/executeTests.xml
	build/solution/source_gen/jetbrains/mps/ide/build/executeTests.xml
use module finder in build.mps
remove classes dir from msd file
fix typesystem error
move execution tests to build script
rebuild
temporary allow testing module groups without test annotation
load used-languages as libs as well
start editor tests
dummy project is an idea project
execute module tests from test.xml
add gitkeeps (somehow they were missing)
add missing tests
rebuild required
rebuild build.mps.tests
Merge branch 'julia/master' into julia/moduletests
rebuild build.samples
Merge branch '3.0/julia/master' into 3.0/julia/moduletests

Conflicts:
	MPS.mpr
	plugins/mps-build/languages/build.mps/source_gen/jetbrains/mps/build/mps/generator/template/main/QueriesGenerated.java
	plugins/mps-build/languages/build.mps/source_gen/jetbrains/mps/build/mps/structure/StructureAspectDescriptor.java
	testbench/solutions/jetbrains/mps/tests.mps
	testbench/tests_gen/jetbrains/mps/tests/TestModule_jetbrains_mps_baseLanguage_test.java