initial skeletons for individual connectors
move code into new locations
build with tests working
remove dependencies provided by server from RPM package
Merge branch 'master' into issue_186

Conflicts:
	jar-connector/src/test/java/com/sixsq/slipstream/run/RunTestBase.java
add libcloud and stratuslab dependencies to connectors
Merge branch 'master' into issue_186
Merge branch 'master' into issue_186
fix version numbers of submodules
Merge branch 'master' into issue_186
Merge branch 'master' into issue_186
Merge pull request #197 from slipstream/issue_186

reorganize the connector layout in preparation for move to separate repository