Fix travis build.

ci/before_install.sh

@@ -3,6 +3,8 @@ set -e
 
 [ -n "$JYTHON" ] && "${TRAVIS_BUILD_DIR}/ci/before_install_jython.sh" || "${TRAVIS_BUILD_DIR}/ci/before_install_nonjython.sh"
 
+[ -n "$JYTHON" ] && cp requirements-jython.txt requirements.txt || cp requirements-python-${TRAVIS_PYTHON_VERSION}.txt requirements.txt
+
 if [ -f requirements.txt ]
 then
     pip install -r requirements.txt

ci/before_install_jython.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-JYTHON_JAR=$(./ci/mvnget.sh $JYTHON)
+JYTHON_JAR=$(${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)")

ci/before_install_nonjython.sh

@@ -1,8 +1,4 @@
 #!/bin/bash
 set -e
 
-if [ -f requirements-python-${TRAVIS_PYTHON_VERSION}.txt ]
-then
-    cat requirements-python-${TRAVIS_PYTHON_VERSION}.txt >> requirements.txt
-fi
 ln -s $VIRTUAL_ENV $HOME/myvirtualenv