[skip ci] Add note about using unbuntu docker

[skip ci] Change ivfsq8 test report detailed version #255

#397 sdk_simple return incorrect result

update add configurable DB settings

fix by reduce knng size

remove gpu in db unittest

#266 Rpc request source code refactor

Update nightly-build config

sdk_simple return empty result

Update case

#327 fix flat doesn't use gpu bug

Support new Index type IVFPQ #127

Update Jenkins CI and Docker to 0.6.0

Update build.sh and install.md

#340 Test cases run failed on 0.6.0