cherry-pick pr 329 (#338)

Signed-off-by: wangyike <wangyike.wyk@alibaba-inc.com>

Merge pull request #310 from captainroy-hy/trait-apply-to

implement trait.ApplyTo through AppConfig validating webhook

Merge pull request #292 from zzxwill/doc-legacy

Update doc for installing legacy chart

Merge pull request #283 from captainroy-hy/fix-trait-apply

use update instead of patch on applying trait

Merge pull request #271 from silotrd/master

[ISSUE #270] Bug fixed, OAM example can not run correctlly.

add mutating for appConfig to support name/properties format of trait (…

…#242)

* add mutating for appConfig to support name/properties fomart of trait

Signed-off-by: 天元 <jianbo.sjb@alibaba-inc.com>

* add example for webhook

Signed-off-by: 天元 <jianbo.sjb@alibaba-inc.com>

release v0.2.2

release v0.2.1

release v0.3.0-rc

release v0.2.0