Add qatzip compressor plugin and run check_format.py

[rojkov]

This PR supersedes #57 or can be just merged after it.

[ipuustin]

Tried to test this but it doesn't seem to compile for me... @rojkov does it work for you?

$ docker image build -t envoy-qat:devel -f Dockerfile.openssl .

... ... ... ...

Analyzing: target //:envoy (632 packages loaded, 19812 targets configured)
INFO: Repository org_unicode_icuuc instantiated at:
  no stack (--record_rule_instantiation_callstack not enabled)
Repository rule http_archive defined at:
  /build/dbf569689a31dc8415b28f18f9ea16b0/external/bazel_tools/tools/build_defs/repo/http.bzl:336:31: in <toplevel>
WARNING: Download from https://github.com/unicode-org/icu/archive/release-64-2.tar.gz failed: class com.google.devtools.build.lib.bazel.repository.downloader.UnrecoverableHttpException Checksum was 65271a83fa81783d1272553f4564965ac2e32535a58b0b8141e9f4003afb0e3a but wanted 524960ac99d086cdb6988d2a92fc163436fd3c6ec0a84c475c6382fbf989be05
ERROR: An error occurred during the fetch of repository 'org_unicode_icuuc':
   java.io.IOException: Error downloading [https://github.com/unicode-org/icu/archive/release-64-2.tar.gz] to /build/dbf569689a31dc8415b28f18f9ea16b0/external/org_unicode_icuuc/release-64-2.tar.gz: Checksum was 65271a83fa81783d1272553f4564965ac2e32535a58b0b8141e9f4003afb0e3a but wanted 524960ac99d086cdb6988d2a92fc163436fd3c6ec0a84c475c6382fbf989be05
ERROR: /build/dbf569689a31dc8415b28f18f9ea16b0/external/com_googlesource_googleurl/url/BUILD:6:11: @com_googlesource_googleurl//url:url depends on @org_unicode_icuuc//:common in repository @org_unicode_icuuc which failed to fetch. no such package '@org_unicode_icuuc//': java.io.IOException: Error downloading [https://github.com/unicode-org/icu/archive/release-64-2.tar.gz] to /build/dbf569689a31dc8415b28f18f9ea16b0/external/org_unicode_icuuc/release-64-2.tar.gz: Checksum was 65271a83fa81783d1272553f4564965ac2e32535a58b0b8141e9f4003afb0e3a but wanted 524960ac99d086cdb6988d2a92fc163436fd3c6ec0a84c475c6382fbf989be05
ERROR: Analysis of target '//:envoy' failed; build aborted: Analysis failed
INFO: Elapsed time: 37.052s
INFO: 0 processes.
FAILED: Build did NOT complete successfully (632 packages loaded, 19812 targets configured)

[rojkov]

Checksum was 65271a83fa81783d1272553f4564965ac2e32535a58b0b8141e9f4003afb0e3a but wanted 524960ac99d086cdb6988d2a92fc163436fd3c6ec0a84c475c6382fbf989be05

No, doesn't work for me neither. I bet the master is broken too.

[mythi]

we have #55 to remind about it.

We should probably decouple qatzip filter from envoy-openssl...