Drop 2.7 from windows CI (compiler broken on new image or something) and force upgrade packages on travis (borken deps?!).

Author: ionelmc

.appveyor.yml

@@ -12,30 +12,6 @@ environment:
       PYTHON_HOME: C:\Python36
       PYTHON_VERSION: '3.6'
       PYTHON_ARCH: '32'
-    - TOXENV: py27-cover,codecov,coveralls
-      TOXPYTHON: C:\Python27\python.exe
-      PYTHON_HOME: C:\Python27
-      PYTHON_VERSION: '2.7'
-      PYTHON_ARCH: '32'
-    - TOXENV: py27-cover,codecov,coveralls
-      TOXPYTHON: C:\Python27-x64\python.exe
-      PYTHON_HOME: C:\Python27-x64
-      PYTHON_VERSION: '2.7'
-      PYTHON_ARCH: '64'
-      WINDOWS_SDK_VERSION: v7.0
-    - TOXENV: py27-nocov
-      TOXPYTHON: C:\Python27\python.exe
-      PYTHON_HOME: C:\Python27
-      PYTHON_VERSION: '2.7'
-      PYTHON_ARCH: '32'
-      WHEEL_PATH: .tox/dist
-    - TOXENV: py27-nocov
-      TOXPYTHON: C:\Python27-x64\python.exe
-      PYTHON_HOME: C:\Python27-x64
-      PYTHON_VERSION: '2.7'
-      PYTHON_ARCH: '64'
-      WHEEL_PATH: .tox/dist
-      WINDOWS_SDK_VERSION: v7.0
     - TOXENV: py35-cover,codecov,coveralls
       TOXPYTHON: C:\Python35\python.exe
       PYTHON_HOME: C:\Python35

.travis.yml

@@ -153,7 +153,7 @@ before_install:
       export PATH="/usr/local/opt/python/libexec/bin:${PATH}"
     fi
 install:
-  - python -mpip install --progress-bar=off twine tox-wheel -rci/requirements.txt
+  - python -mpip install --progress-bar=off --upgrade twine tox-wheel -rci/requirements.txt
   - virtualenv --version
   - easy_install --version
   - pip --version

ci/templates/.appveyor.yml

@@ -13,7 +13,7 @@ environment:
       PYTHON_VERSION: '3.6'
       PYTHON_ARCH: '32'
 {% for env in tox_environments %}
-{% if env.startswith(('py2', 'py3')) %}
+{% if env.startswith('py3') %}
     - TOXENV: {{ env }}{% if env.endswith('-cover') %},codecov,coveralls{% endif %}{{ "" }}
       TOXPYTHON: C:\Python{{ env[2:4] }}\python.exe
       PYTHON_HOME: C:\Python{{ env[2:4] }}

ci/templates/.travis.yml

@@ -58,7 +58,7 @@ before_install:
       export PATH="/usr/local/opt/python/libexec/bin:${PATH}"
     fi
 install:
-  - python -mpip install --progress-bar=off twine tox-wheel -rci/requirements.txt
+  - python -mpip install --progress-bar=off --upgrade twine tox-wheel -rci/requirements.txt
   - virtualenv --version
   - easy_install --version
   - pip --version