Oracle enhanced adapter 1.8.0.beta1 has been released

[Yasuo Honda]

Hi,

Oracle enhanced adapter 1.8.0.beta1 has been released.
Oracle enhanced adapter 1.8.0.beta1 supports Rails 5.1.0.beta1.

Please install and test with your applications by updating your
Gemfile as follows.

```
gem "activerecord-oracle_enhanced-adapter", "~> 1.8.0.beta1"
```


* Major enhancements
* Support Rails 5.1.0.beta1
* Fallback :bigint to :integer for primary keys [#1077]
* Drop Java SE 6 or older version of Java SE support [#1126]
* Drop JRuby 9.0.x support for Rails 5.1 [#1147]
* Refactor ColumnDumper to support consistent Virtual column with
Rails [#1185]
* Schema dumper supports `t.index` in `create_table` [#1187]
* `table_exists?` only checks tables, does not check views [#1179, #1191]
* `data_sources` returns tables and views [#1192]
* `Model.table_comment` syntax is not supported anymore [#1199]
* Remove Oracle enhanced adapter own foreign key implementations [#977]

For all changes and fixes please read the
https://github.com/rsim/oracle-enhanced/blob/master/History.md

Thanks,
--
Yasuo Honda