Update default.rb

default
Allow for alternatives priority to be set from attribute.
Upgrade Oracle's Java 8 to u11

Just upgrading the default JDK version to be the latest one at Oracle.
Merge pull request #191 from mauricio/patch-1

Upgrade Oracle's Java 8 to u11
Merge pull request #192 from erichelgeson/master

Bump JDK7 URLs to 7u65
Merge pull request #181 from juoemeka/patch-1

Update default.rb
Merge pull request #188 from brenttheisen/alternatives_priority_pr

Allow for alternatives priority to be set from attribute.
Release nodes for 1.23.0