Merge branch 'v1.2.1_beta'

Merge pull request huawei-noah#37 from huawei-noah/v1.2.0_beta

V1.2.0 is released

Merge pull request huawei-noah#22 from monkeyking/patch-2

Fix readme: X2bolt and benchmark navigating links

v1.0.0 is released

bolt v0.3.0 is released

Add third_party and update CMakeLists.txt

remove tmp file