private method doesn't work for singleton methods defined this way
Add tests to ActiveSupport:XmlMini to_tag method
Fix insertion of records for hmt association with scope, fix #3548
Auto-generate stable fixture UUIDs on PostgreSQL.
Fixes: #11524
Merge pull request #12016 from roderickvd/uuid_fixes

Auto-generate stable fixture UUIDs on PostgreSQL

Conflicts:
	activerecord/CHANGELOG.md
	activerecord/lib/active_record/fixtures.rb
	activerecord/test/cases/adapters/postgresql/uuid_test.rb
	activesupport/CHANGELOG.md
add services: memcache to travis
Merge pull request #14671 from arthurnn/travis_memcache

add services: memcache to travis
Make the reflections cache work with strings as its keys.
No need to call `to_sym` on reflection name, since the cache now works
with strings with string keys.

Related #14668.
Make the aggregate_reflections cache work with strings as its keys.
Make sure the reflection test is passing a String to the reflection
cache.
Merge pull request #14675 from laurocaetano/make_reflection_caches_works_with_string_keys

Make reflection and aggregate_reflection caches work with string keys.
Remove extra collect call
Only call uniq on the conditional that actually needs it
Merge pull request #11411 from dscataglini/master

Active support callback's before/after/around filters are not correctly making their singleton methods private
+EOL
Correct factual error for page not found
Merge pull request #14679 from pbharadiya/master

Correct factual error for page not found [ci skip]
[ci skip] Update code snippets to latest master (initialization.md).
Also update the `server.run` example (Replace Mongrel with Puma).
Merge pull request #14677 from JuanitoFatas/update-initialization-code-snippets

[ci skip] Update code snippets to latest master (initialization.md).