fixing problem with test/dist/jar resources
fixing outgrader.home variable
Merge branch 'master' of github.com:outgrader/outgrader-proxy

Conflicts:
	outgrader-proxy-core/build.gradle
	outgrader-proxy-core/src/main/resources/logback.xml
	outgrader-proxy-properties/build.gradle
	outgrader-proxy/build.gradle
using @Unroll in tests