Merge branch 'stable-2.14' into stable-2.15
* stable-2.14:
Update bazlets to latest stable-2.14 to build with 2.14.14 API
Migrate (i.e. move) `tools/bazel.rc` to `.bazelrc`
Update bazlets to latest stable-2.14 to build with 2.14.13 API
Fix plugin documentation about running tests
Update bazlets to latest stable-2.14 to use 2.14.12 API
PostTaskTest: Add proper stubbing of ProjectEvent.getProjectNameKey()
Update bazlets to latest stable-2.14 to use 2.14.11 API
Format build files with buildifier
Fix gerrit show-queue timing out when webhooks are processed
Update bazlets to latest stable-2.14 to use 2.14.9 API
Update bazlets to latest revision on stable-2.14
DeleteRemote: use AuthException from REST API extensions
Add REST API for deleting webhooks
Add REST API for creating and updating webhooks
Add REST API for getting and listing webhooks
Update bazlets to latest revision on stable-2.14
Handle RuntimeException during webhooks notification
Change-Id: Ib4784b78cef2fde8b8ab7729bebba8a06561ad44
