Force httpretty version to 0.8.6 to workaround py34 bug. Restore py34

build.

.travis.yml

@@ -1,11 +1,11 @@
 language: python
-python: 3.5
+python: 3.4
 os:
   - linux
 #  - osx
 env:
   - TOX_ENV=py27
-  - TOX_ENV=py35
+  - TOX_ENV=py34
   - TOX_ENV=pypy
 matrix:
   fast_finish: true

requirements.txt

@@ -1,2 +1,3 @@
 -e ".[full]"
+httpretty==0.8.6
 git+git://github.com/spulec/moto.git@1d58aae42a7ea10d1617428970f6f5d55a76fc80

tox.ini

@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py27, py35, pypy
+envlist = py27, py34, pypy
 
 [testenv]
 commands = {envpython} -m coverage run --branch --source=cloudbridge --omit=cloudbridge/cloud/interfaces/* setup.py test