STANBOL-1255: updated all modules to version 0.12.0; corrected OSGI import and export version ranges accordingly; Also updated test dependencies to the current SNAPSHOT versions - to ensure that modules are tested against the latest test modules

git-svn-id: https://svn.apache.org/repos/asf/stanbol/branches/release-0.12@1558038 13f79535-47bb-0310-9956-ffa450edef68