Remove -e from requirements

We don't need these unreleased requirements to be editable.  Doing
so means that they are installed into the user's home directory.
That doesn't work if you install them as root.

Instead, install them in the normal, non-editable manner.

Change-Id: Iab7b946d03db8e80ac296485bb8de3f9c89cb8b5

requirements.txt

@@ -2,7 +2,7 @@ pbr>=1.1.0
 
 # pull from master until https://github.com/sigmavirus24/github3.py/pull/671
 # is in a release
--e git+https://github.com/sigmavirus24/github3.py.git@develop#egg=Github3.py
+git+https://github.com/sigmavirus24/github3.py.git@develop#egg=Github3.py
 PyYAML>=3.1.0
 Paste
 WebOb>=1.2.3
@@ -11,7 +11,7 @@ paramiko>=1.8.0,<2.0.0
 # release.
 # https://github.com/gitpython-developers/GitPython/pull/682
 # https://github.com/gitpython-developers/GitPython/pull/686
--e git+https://github.com/jeblair/GitPython.git@zuul#egg=GitPython
+git+https://github.com/jeblair/GitPython.git@zuul#egg=GitPython
 python-daemon>=2.0.4,<2.1.0
 extras
 statsd>=1.0.0,<3.0