v1.6.0

Changelog

9f1ff97 Add Power Support ppc64le
7f46009 Add documentation for API health endpoint
152fb8b Add http response close in client post function
38b8240 Added support for general OID names in CSRs
7a59a7d Allow users to use custom HTTP client
a22fd94 Fix spelling
b156a8c Fix tests and add OID test
5628e97 Merge pull request #1 from benbuzbee/benbuz/tests
c1bf7b9 Merge pull request #1119 from jbampton/fix-spelling
816bb92 Merge pull request #1141 from nickysemenza/add-docker-push
aebbc13 Merge pull request #1143 from nickysemenza/add-go-1.15
9ccff9a Merge pull request #1145 from AshleyPoole/ash/add-health-api-doc
a538700 Merge pull request #1151 from nagesh4193/master
c75db4f Merge pull request #1156 from mayocream/master
6dd12c2 Merge pull request #1157 from mayocream/patch-1
23b638f Merge pull request #1160 from orangepizza/zlint_upgrade
9f7129a Merge pull request #1163 from akgmartin/master
3cc617f Merge pull request #1164 from grongor/dont-use-default-http-client
57882e0 Merge pull request #1170 from qinghai5060/fixErrorCheck
b1512a1 Merge pull request #1172 from aklyachkin/master
6eb1640 Merge pull request #1173 from iguanesolutions/revoke_leak
c6f04ed Merge pull request #1174 from nickysemenza/go-metrics-prometheus
2215630 Merge pull request #1175 from chienfuchen32/patch-1
0707dc7 Merge pull request #1181 from myokoyama28/fix-certadd
6152bbb add Docker Hub push to release make target
84e7ff5 chore(multirootca): replace deprecated go-metrics with prometheus
5c037eb chore: add go 1.15 to travis
f712ad9 copy over ca-bundle and int-bundle testdata from cloudflare/cfssl_trust
1c75260 fix error check when check signature
ea20c62 fix lint errors
6b41bfc fix serve_test.go
763faa7 fix: cfssl provider support SAN URI
d103ea1 format json indent
9af9204 make certadd available
f247e5b revoke: fix connection leak
9b27d0d support for E attribute in CSR
57d4044 trigger
c90849d update zlint to v3.0.0