Update mistralclient version - st2-2.4.0

Author: StorminStanley

requirements.txt

@@ -6,7 +6,7 @@ eventlet==0.19.0
 flex==6.10.0
 git+https://github.com/Kami/entrypoints.git@dont_use_backports#egg=entrypoints
 git+https://github.com/Kami/logshipper.git@stackstorm_patched#egg=logshipper
-git+https://github.com/StackStorm/python-mistralclient.git#egg=python-mistralclient
+git+https://github.com/StackStorm/python-mistralclient.git@st2-2.4.0#egg=python-mistralclient
 git+https://github.com/StackStorm/st2-auth-backend-flat-file.git@master#egg=st2-auth-backend-flat-file
 gitpython==2.1.5
 gunicorn==19.7.1

st2actions/in-requirements.txt

@@ -4,7 +4,7 @@ python-dateutil
 eventlet
 jinja2
 kombu
-git+https://github.com/StackStorm/python-mistralclient.git#egg=python-mistralclient
+git+https://github.com/StackStorm/python-mistralclient.git@st2-2.4.0#egg=python-mistralclient
 oslo.config
 oslo.utils
 requests