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
Update bazlets to latest stable-2.14 to build with 2.14.13 API
Update bazlets to latest stable-2.14 to use 2.14.12 API
Allow access using Basic Authentication prefix
Update javamelody-core to 1.74.0
Prefer Javamelody's own configuration constants
Allow access to metrics from Prometheus
Migrate `tools/bazel.rc` to `.bazelrc`
Delegate canMonitor() check to the MonitorFilter
Update javamelody-core to 1.73.1
Change-Id: I0d954515d2043a03ca4560b2d494b38867419b59