Fix some bugs from --source synchronization command option
Fix some bugs from --source synchronization command option

clarity-project/SolrBundle,floriansemm/SolrBundle,starsystemsindia/SolrBundle,frank-und-freunde/SolrBundle,zquintana/SunSearchBundle,cegeka/fd-solr-bundle,clarity-project/SolrBundle,andythorne/SolrBundle,zquintana/SunSearchBundle,drdk/SolrBundle,floriansemm/SolrBundle,drdk/SolrBundle