Fix junit.framework.Assert deprecated warnings
Add hack for java integration with kotlin

Conflicts:
	kotlin-bundled-compiler/.classpath
	kotlin-eclipse-core/META-INF/MANIFEST.MF
	kotlin-eclipse-core/src/org/jetbrains/kotlin/core/resolve/KotlinAnalyzer.java
	kotlin-eclipse-core/src/org/jetbrains/kotlin/core/resolve/lang/java/structure/EclipseJavaElementUtil.java
	kotlin-eclipse-ui-test/src/org/jetbrains/kotlin/core/diagnostics/KotlinDiagnosticsJavaPlusKotlinTest.java
Add support of JUnit plugin for Kotlin