Merge pull request #106 from pyca/python-3.4-105

Begin to support Python 3.4.0 (by testing against it on CI).  No code changes necessary for the test suite to pass.
diff --git a/.travis.yml b/.travis.yml
index f5db002..f359de1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@
   - "2.7"
   - "3.2"
   - "3.3"
+  - "3.4"
 
 matrix:
   include:
@@ -25,6 +26,9 @@
   - python: "3.3"
     env:
       CRYPTOGRAPHY_GIT_MASTER=true
+  - python: "3.4"
+    env:
+      CRYPTOGRAPHY_GIT_MASTER=true
   - python: "pypy"
     env:
       CRYPTOGRAPHY_GIT_MASTER=true