OSGi bundle manifest  headers

Conflicts:
	src/com/redhat/ceylon/compiler/java/tools/JarOutputRepositoryManager.java
Basic tests for generated OSGi headers
Revert syntax/style-only changes.
Updated test src with latest c.l changes
Add missing import for #1456 tests
Fixed new typechecker error message
Fixed case-sensitive file names for #1456 test
Fixed c.l compilation test due to new native file