Merge release-20.2.0 to master (#913) (#914)

* Fix the link of release guide. [skip ci]

* Update cita-bft: add panic info. [skip travis]

* Use cita-database from crates.

* Bump blake2 to `0.8.1` to fix security check.

* Hard code release version

* Add setBlockInterval interface

* Add test about block interval

* Update submodule[skip audit]

* Add upgrade

* Use utils

* Fix operation typo[skip travis]

* refact executive

* Do not use a magic number.

* Delete unused comments

* Separate bin_dir and work_dir

* CITA Release flow

Add CITA Release flow to review

* Add docker diretory for build release images

* Update and rename. [skip ci]

* Fix audit[skip travis]

* [skip audit]fix for shell check

* Fix some sub-commands error

* Fix error info when file not exit

* Bug fix for handling quota used error when Revert. (#870)

* Fix travis (#877)

* fix for dup tx hash in block

* use new cita-vm

* [skip audit] Add JSON-RPC interface: estimate_quota. (#882)

* Update "flow" to "Flow"

* for[skip ci.[skip ci]

* [skip audit] Bug fix: Error estimate for the first calling contract. (#883)

* [skip audit] Bug fix: executor block in estimate quota larger than BQL

* [skip audit]add black list judge

* [skip audit] refine estimateQuota's error info (#886)

* Fix update admin (#885)

* [skip audit]fix update admint solc
use new genensis

* [skip audit]fix test permission

* fix add admin permission error

* fix auth cancel error

* [skip audit] fix permission.js

* [skip audit]fix space

* [skip audit]fix bug address in black list can't dismiss

* update submodule url[skip ci] (#891)

* Remove circle resource restrictions (#890)

* Remove circle resource restrictions[skip audit]

* Use only one jobs[skip audit]

* update info (#892)

* [skip audit]update info; upgrade rust to 1.39

* update ci config

* [skip audit]update ci config

* [skip audit]limit to 1 job

* [skip audit]update info

* [skip audit]update sdk version

* [skip audit]update cita-common; remove unused bin; update cita-run docker image

* [skip audit][skip ci]docker reap zombie processes

* Reveal solc command stderr output [skip audit] (#895)

* [skip ci]fix release.sh; Don't use fixed container name; add crates mirror when necessary

* [skip ci]fix container name

* [skip audit]fix ci (#899)

* Remove set block interval interface (#900)

* update interaction submodule

* Revert "Merge pull request #857 from ouwenkg/upgrade-scripts"

This reverts commit 29897d2, reversing
changes made to 24f1649.

* Revert "Merge pull request #855 from
ouwenkg/interface-block-interval"[skip audit]

This reverts commit 24f1649, reversing
changes made to 9d209c2.

* [skip ci]set cita_build container as bridge model (#901)

* [skip ci]fix copyright info (#903)

* [skip audit]fix volume path when cita_run (#905)

* [skip audit]fix bound bug about filter (#904)

* [skip ci]Update README

* [skip audit]fix run-in-docker judge error. (#907)

* Fix gas calculation error.[skip audit] (#908)

* Refine quota-estimate.[skip audit] (#909)

* Bump to 20.2.0 [skip audit].

Co-authored-by: ka <kaikaifeng1024@gmail.com>
Co-authored-by: AsceticBear <wpf15701504487@gmail.com>
Co-authored-by: nanmuxiusi <42529063+nanmuxiusi@users.noreply.github.com>
Co-authored-by: yubo <anhuitianyu@163.com>
Co-authored-by: zhiwei <rink1969@gmail.com>
Co-authored-by: bsdelf <shen.elf@gmail.com>

Co-authored-by: yubo <anhuitianyu@163.com>
Co-authored-by: ka <kaikaifeng1024@gmail.com>
Co-authored-by: AsceticBear <wpf15701504487@gmail.com>
Co-authored-by: nanmuxiusi <42529063+nanmuxiusi@users.noreply.github.com>
Co-authored-by: zhiwei <rink1969@gmail.com>
Co-authored-by: bsdelf <shen.elf@gmail.com>