CI: Separate matrix for 3.4

Author: effigies

.travis.yml

@@ -5,11 +5,12 @@ language: python
 # our build matrix
 python:
 - 2.7
-- 3.4
 - 3.5
 - 3.6
 - 3.7
 
+# NOTE: Any changes to the matrix section should be duplicated below for
+#       Python 3.4
 env:
   global:
     - EXTRA_WHEELS="https://5cf40426d9f06eb7461d-6fe47d9331aba7cd62fc36c7196769e4.ssl.cf2.rackcdn.com"
@@ -30,6 +31,36 @@ env:
       EXTRA_PIP_FLAGS="--pre $EXTRA_PIP_FLAGS --find-links $PRE_WHEELS"
       CI_SKIP_TEST=1
 
+# Python 3.4 is only available on Trusty, so we need to duplicate the
+# env matrix specifically for it.
+matrix:
+  include:
+    - python: 3.4
+      dist: trusty
+      env:
+        - INSTALL_DEB_DEPENDECIES=true
+          NIPYPE_EXTRAS="doc,tests,profiler"
+          CI_SKIP_TEST=1
+    - python: 3.4
+      dist: trusty
+      env:
+        - INSTALL_DEB_DEPENDECIES=false
+          NIPYPE_EXTRAS="doc,tests,profiler"
+          CI_SKIP_TEST=1
+    - python: 3.4
+      dist: trusty
+      env:
+        - INSTALL_DEB_DEPENDECIES=true
+          NIPYPE_EXTRAS="doc,tests,profiler,duecredit,ssh"
+          CI_SKIP_TEST=1
+    - python: 3.4
+      dist: trusty
+      env:
+        - INSTALL_DEB_DEPENDECIES=true
+          NIPYPE_EXTRAS="doc,tests,profiler"
+          EXTRA_PIP_FLAGS="--pre $EXTRA_PIP_FLAGS --find-links $PRE_WHEELS"
+          CI_SKIP_TEST=1
+
 addons:
   apt:
     packages: