Reinstate i686 wheel builds, seems to work now (closes #1)

Author: jbaiter

.travis.yml

@@ -9,12 +9,11 @@ matrix:
       services:
         - docker
       env: DOCKER_IMAGE=quay.io/pypa/manylinux1_x86_64
-    # FIXME: Currently i686 builds segfault (see issue #1))
-    #- sudo: required
-    #  services:
-    #    - docker
-    #  env: DOCKER_IMAGE=quay.io/pypa/manylinux1_i686
-    #       PRE_CMD=linux32
+    - sudo: required
+      services:
+        - docker
+      env: DOCKER_IMAGE=quay.io/pypa/manylinux1_i686
+           PRE_CMD=linux32
 
 install:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then docker pull $DOCKER_IMAGE; fi