Rename requires files to standard names.

Rename tools/pip-requires to requirements.txt and tools/test-requires
to test-requirements.txt. These are standard files, and tools in the
general world are growing intelligence about them.

Change-Id: I903213fda94a833335abaa7ad9a90bbb688ec15a
Fixes: bug #1179008

requirements.txt

@@ -0,0 +1,9 @@
+d2to1>=0.2.10,<0.3
+pbr>=0.5,<0.6
+cliff
+keyring
+pycrypto
+python-glanceclient>=0.9.0,<2
+python-keystoneclient>=0.2,<1.0
+python-novaclient>=2
+python-cinderclient>=1

test-requirements.txt

@@ -0,0 +1,16 @@
+# Install bounded pep8/pyflakes first, then let flake8 install
+pep8==1.4.5
+pyflakes==0.7.2
+flake8==2.0
+hacking>=0.5.3,<0.6
+
+distribute>=0.6.24
+
+coverage
+discover
+fixtures>=0.3.12
+mock
+openstack.nose_plugin
+sphinx>=1.1.2
+testrepository>=0.0.13
+testtools>=0.9.26

tox.ini

@@ -6,8 +6,8 @@ setenv = VIRTUAL_ENV={envdir}
          LANG=en_US.UTF-8
          LANGUAGE=en_US:en
          LC_ALL=C
-deps = -r{toxinidir}/tools/pip-requires
-       -r{toxinidir}/tools/test-requires
+deps = -r{toxinidir}/requirements.txt
+       -r{toxinidir}/test-requirements.txt
 commands = python setup.py testr --testr-args='{posargs}'
 
 [testenv:pep8]