Linq4j release history and change log

For a full list of releases, see github.

0.1.13 (2014-01-20)

• Remove spurious “null” generated when converting expression to string.
• Allow a field declaration to not have an initializer.
• Add Primitive.defaultValue.
• Enable oraclejdk8 in Travis CI.

0.1.12 (2013-12-07)

• Add release notes.
• Fix implementation of Enumerable.asEnumerable in DefaultQueryable (inherited by most classes that implement Queryable).

0.1.11 (2013-11-06)

• Lots of good stuff that this margin is too small to contain.