Removed official Jython 2.5.3 support in favour of less complex Travis CI build. Fix other travis ci issues.

ci/before_install_jython.sh

@@ -4,29 +4,8 @@ set -e
 JYTHON_JAR=$(${TRAVIS_BUILD_DIR}/ci/mvnget.sh $JYTHON)
 java -jar ${JYTHON_JAR} -s -d $HOME/jython
 
-BEFORE_PY_26=$($HOME/jython/bin/jython -c "import sys; print sys.version_info < (2, 6)")
-if [ "$BEFORE_PY_26" == "True" ]
-then
-    curl http://peak.telecommunity.com/dist/ez_setup.py -o ez_setup.py
-    $HOME/jython/bin/jython ez_setup.py
-    # Install the latest pip compatible with Jython 2.5.3
-    $HOME/jython/bin/easy_install pip==1.2.1
-else
-    $HOME/jython/bin/jython -m ensurepip
-fi
+$HOME/jython/bin/jython -m ensurepip
 
 # Install the latest virtualenv compatible with Jython
 $HOME/jython/bin/pip install virtualenv==1.9.1
 $HOME/jython/bin/virtualenv $HOME/myvirtualenv
-
-if [ "$BEFORE_PY_26" == "True" ]
-then
-    # No SSL support for Jython
-    cat > $HOME/myvirtualenv/pip.conf <<EOF
-[install]
-insecure = true
-EOF
-    cat <<EOF >> $HOME/myvirtualenv/bin/activate
-export PIP_CONFIG_FILE=$HOME/myvirtualenv/pip.conf
-EOF
-fi