Expand order(:symbol) to "table".symbol to prevent broken queries on PG.
Fixes #9275.

When `#order` is called with a Symbol this patch will prepend the quoted_table_name.
Before the postgresql adapter failed to build queries containg a join and an order
with a symbol.

This expansion happens for all adapters.
Change default root route helper
Merge pull request #9419 from banyan/change-default-root-route-helper

Change default root route helper
JRuby does not support racc, include it only in ruby platform
Merge pull request #9429 from frodsan/racc_jruby_incompatibility

JRuby does not support racc, include it only in ruby platform
No need to send public methods
Merge pull request #9414 from senny/9275_order_with_symbol_and_join

Expand order(:symbol) to "table".symbol to prevent broken queries on PG.
Allow both a path and an option on root in config/routes
Merge pull request #9441 from rubys/master

This is a small thing, motivated by https://github.com/rails/rails/issues/9419