feat: set use-forwarded-header to true as default config (caicloud#189)

Merge remote-tracking branch 'origin/release-0.5-2020' into release-0…

….5-best

[INFINITUS-12]feat: add f5 provider (caicloud#186)

* update vendor

* add f5 provider

fix(kong): http2 no cached connection was available error (caicloud#185)

* can't return error when not found

chore(nginx): bump up ingress-nginx version (caicloud#183)

Co-authored-by: Lisheng Zheng <[email protected]>

fix(resource): increate limits and requests (caicloud#182)

Co-authored-by: Huanle Han <[email protected]>

fix: fix broken custom lb config caused by eb249d6 (caicloud#179)

fix http://jira.caicloud.xyz/browse/CPS-7374

Co-authored-by: Huanle Han <[email protected]>

fix(appgateway): handle lb azure annotation change (caicloud#177)

* feat(appgateway): use azure app-gateway as provider

[KAIDE-54,KAIDE-56,KAIDE-57]CLONE-Upgrade Project KAIDE from 2.8.3 to 2.9.1 (caicloud#132)

(cherry picked from commit 3a71c81)

* fix(appgateway): handle lb azure annotation change

fix http://jira.caicloud.xyz/browse/KAIDE-119

feat(appgateway): use azure app-gateway as provider (caicloud#175)

[KAIDE-54,KAIDE-56,KAIDE-57]CLONE-Upgrade Project KAIDE from 2.8.3 to 2.9.1 (caicloud#132)

(cherry picked from commit 3a71c81)

fix: mount xtables file to ipvsdr deployment (caicloud#174)

Co-authored-by: Shi Wang <[email protected]>