[#1013] Provide messages.default not messages
Force http1.1 for nginx to enable play streaming capabilities

By default nginx proxies with http1.0 which is wrong if you want to use
chunking or any streaming capabilities of play

see http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_http_version
[#1285] Permit DB READ_UNCOMMITTED and REPEATABLE_READ to be set
Merge pull request #1930 from baloo/defects/1285-Typo-DB-isolation-level

[#1285] Permit DB READ_UNCOMMITTED and REPEATABLE_READ to be set
Merge pull request #1925 from baloo/improvements/nginx-doc

Force http1.1 for nginx to enable play streaming capabilities
Merge pull request #1893 from baloo/improvements/1013-messages-override

[#1013] Provide messages.default not messages
Merge remote-tracking branch: upstream/master