Build related fixes

- Disable pip version check
- Documented licenses
- Added pytest<5.0.0 as it will drop py27

Change-Id: Ib02caa4ca1fafd6275a51493c5eabf8e9ef1a775

cspell.json

@@ -159,7 +159,8 @@
         "xscs",
         "xsrf",
         "yanc",
-        "ztravisdeb"
+        "ztravisdeb",
+        "LGPL"
     ],
     "flagWords": [],
     "allowCompoundWords": true,

requirements-dev.txt

@@ -6,21 +6,21 @@ hacking>=0.13
 MarkupSafe>=0.23
 mock; python_version<'3.3'
 oauthlib
-pre-commit
+pre-commit  # MIT
 py >= 1.4
 pytest-cache
 pytest-cov
 pytest-instafail
 pytest-timeout>=1.3.1
 pytest-xdist>=1.14
-pytest>=2.9.1
-PyYAML>=3.13
-requests_mock
-requires.io
-tenacity
-tox-pyenv
-tox>=2.3.1
-unittest2; python_version<'3.1'
-wheel>=0.24.0
-xmlrunner>=1.7.7
-yanc>=0.3.3
+pytest>=2.9.1,<5.0  # MIT
+PyYAML>=3.13  # MIT
+requests_mock  # Apache-2
+requires.io  # UNKNOWN!!!
+tenacity  # Apache-2
+tox-pyenv  # Apache-2
+tox>=2.3.1  # MIT
+unittest2; python_version<'3.1'  # BSD
+wheel>=0.24.0  # MIT
+xmlrunner>=1.7.7  # LGPL
+yanc>=0.3.3  # GPL

tox.ini

@@ -36,6 +36,8 @@ commands=
     python -m pytest {posargs}
 setenv =
     PIP_LOG={envdir}/pip.log
+    PIP_DISABLE_PIP_VERSION_CHECK=1
+
 passenv =
     CI
     CI_JIRA_*