added coverage badges
added coverage badges

kbase/KBaseSearchEngine,MrCreosote/KBaseSearchEngine,MrCreosote/KBaseSearchEngine,MrCreosote/KBaseSearchEngine,kbase/KBaseSearchEngine,MrCreosote/KBaseSearchEngine,MrCreosote/KBaseSearchEngine,MrCreosote/KBaseSearchEngine,kbase/KBaseSearchEngine,MrCreosote/KBaseSearchEngine,kbase/KBaseSearchEngine,kbase/KBaseSearchEngine,kbase/KBaseSearchEngine,kbase/KBaseSearchEngine