Detect mutations of arrays and array members
Merge pull request #15786 from sgrif/sg-in-place-array-mutation

Detect mutations of arrays and array members
Enable hstore in array tests
Merge pull request #15789 from sgrif/sg-enable-hstore

Enable hstore in array tests
Deprecate Rails::Rack::LogTailer

It was being used by Rails for show the development logs but since Rails
4 it is not being used anymore on the framework.

This class seems to be private but it were part of the public API we are
deprecating before removing.
Detect in-place changes on point types
Merge pull request #15790 from sgrif/sg-mutable-points

Detect in-place changes on point types
Detect in-place modifications on Strings