Revert "QPID-5812: python high level API client receiver.fetch(timeout=N) blocks forever in select() if broker is stopped (kill -STOP)"

This reverts commit r1602221 As it breaks the C++ tests:
- python_tests
- federation_sys_tests
- legacystore_python_tests

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1602302 13f79535-47bb-0310-9956-ffa450edef68
NO-JIRA: Removed obsolete/unused store code

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1602303 13f79535-47bb-0310-9956-ffa450edef68
NO-JIRA: We never want to accidentally convert a string to an Options object

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1602304 13f79535-47bb-0310-9956-ffa450edef68
QPID-3921: Don't leak use qpid/Options.h header unnecessarily.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1602305 13f79535-47bb-0310-9956-ffa450edef68
QPID-5814: default to utf8 in Variant::parse()

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1602390 13f79535-47bb-0310-9956-ffa450edef68