Print ORACLE_HOME in FindOracle.cmake as STATUS
Re-enable ctest in travis-ci scripts.

First time Oracle tests should run against my public Oracle XE instance
available at: service=brzuchol.loskot.net user=soci_tester
password=soci_secret
Temporarily disable IN/OUT test (see #81)

This **temporary** comment-out allows to test Oracle setup on travis-ci.