avro

AVRO-1715. Java: Close files opened by the Schema parser. Contributed by Pavel Safrata.

This also clarifies the InputStream parse method, which does not own the
stream that is passed in and does not close it. The tools have been
updated to correctly close streams passed to the parser.

git-svn-id: https://svn.apache.org/repos/asf/avro/trunk@1707389 13f79535-47bb-0310-9956-ffa450edef68