Update Jenkinsfile

#274 logger the time cost during preloading data

#552 Server down during building index_type: IVF_PQ using GPU-edition

Intergrate internal FAISS

#561 Milvus server should report exception/error message or terminate

Intergrate internal FAISS

[skip ci] update ground truth check

Intergrate internal FAISS

#561 Milvus server should report exception/error message or terminate on mysql metadata backend error

Remove faiss docs

Add regex cases to test search partition tags in 0.6.0

#545 Avoid dead circle of build index thread when error occurs

[skip ci](shards): remove color decorator in log file, fixes #573

[skip ci] Added a link to the FAQ topic.

Add ivfflat test report