to make store works all database adapters.

remove duplicate build runs in travis

test identity map and not fully removed when the feature was removed.

Closes #1190

Addresses ORA-01400 errors and also supports #6115

Replace the flush parameter with a Hash.

Issue #6115 has been fixed and tested with
the attribute `:null => false, :default => ""`
However `:null => false` attribute is not necessary to test this issue,
which causes many ORA-01400 errors with Oracle enhanced adapter.

update performance test template to use test method

fix typo in validations callbacks test

Closes #7110 there's more work to do on rack-cache issue 69

Fix build. There is journey-1.0.4 on the 1-0-stable branch.

There are some Action Pack tests for regressions from 3.1 that require
a later version of Journey to pass so bump to the current version.

escaped

Restore connection_id on error.

don't escape options in option_html_attributes method

we don't need to escape values in this method as we pass
these html attributes to `tag_options` method that handle escaping as
well.

it fixes the case when we want to pass html5 data options

fixing :nodoc:s in AS::JSON::Encoding

This reverts commit 5a6f30ff.

The sentence itself was not exact, [] and fetch are different. Reverting
in docrails because it has been reworded in master and 3-2-stable,see
98f4aee8.

This reverts commit 69879667.