Do not install Pythran in 0.29.x on travis since it is currently incompatible...

Do not install Pythran in 0.29.x on travis since it is currently incompatible and unknown when it will work again.

.travis.yml

@@ -161,7 +161,7 @@ script:
     else
       STYLE_ARGS=--no-code-style;
       if $PYTHON_DBG -V >&2; then CFLAGS="-O0 -ggdb" $PYTHON_DBG runtests.py -vv --no-code-style Debugger --backends=$BACKEND; fi;
-      if [ -z "${BACKEND##*cpp*}" -a -n "${TRAVIS_PYTHON_VERSION##*-dev}" ]; then pip install pythran; fi;
+      #if [ -z "${BACKEND##*cpp*}" -a -n "${TRAVIS_PYTHON_VERSION##*-dev}" ]; then pip install pythran; fi;
       if [ "$BACKEND" != "cpp" -a -n "${TRAVIS_PYTHON_VERSION##2*}" -a -n "${TRAVIS_PYTHON_VERSION##*-dev}" -a -n "${TRAVIS_PYTHON_VERSION##*3.4}" ]; then pip install mypy; fi;
     fi
   - if [ "$COVERAGE" != "1" ]; then CFLAGS="-O2 -ggdb -Wall -Wextra $(python -c 'import sys; print("-fno-strict-aliasing" if sys.version_info[0] == 2 else "")')" python setup.py build_ext -i; fi