Merge pull request #31 from jexp/master

minor changes
-applied latest CDO changes
- added concepts to JavaRuntimePT
- defined RETURNS relation between methods and types
Merge remote-tracking branch 'origin/master'
- added OF_TYPE relation to field nodes
- added OF_TYPE relation to parameter nodes
- applied changes of CDO regarding transaction API
Merge remote-tracking branch 'origin/master'

Conflicts:
	core/store/src/main/java/com/buschmais/jqassistant/core/store/impl/EmbeddedGraphStore.java
- replaced CONTAINS between TYPE and FIELD/METHOD with DECLARES
- applied latest CDO bootstrapping changes
- cleanup of pom files
- applied latest CDO changes
- applied latest CDO changes
- applied latest CDO changes
- added intellij files to .gitignore
#35 add descriptors for manifest scanner
Merge branch 'master' of https://github.com/buschmais/jqassistant
#35 added manifest file scanner
#35 added concepts for OSGi bundles, exported and imported packages