[363208] Use Orbit explicitly as apacahe/google/objectweb search path
[363208] Use explicit version range for org.apaache.log4j
[363208] Use cspex for explicit org.apache.log4j dependency
[363208] Eliminate all.tests aggregating feature, use direct
dependencies
[363208] Fix org.eclipse.examples.tests typo
[363208] Import org.apache.log4j.spi too