Merge pull request douban#94 from 6si/enable-heartbeats

Allow the scheduler to receive heart beats

Merge pull request douban#92 from douban/windreamer-patch-1

Bump version

Merge pull request douban#87 from douban/revert-86-dev

Revert "Bump version"

Bump version

Release 0.2.14

Merge pull request douban#70 from windreamer/dev

Bump

Merge pull request douban#65 from windreamer/dev

Bump version to to `0.2.12`

Merge pull request douban#59 from windreamer/dev

Bump version to `0.2.11`

Merge pull request douban#56 from windreamer/dev

Bump version to 0.2.10

Bump