MNT: Make CI services always upload coverage.

Also explicitly configure codecov to report status in event of CI
failure. This should fix codecov staying in pending state on failed
builds (Fixes Unidata#240)

.travis.yml

@@ -120,7 +120,7 @@ script:
       python setup.py test --addopts "$TEST_OPTS";
     fi
 
-after_success:
+after_script:
   - if [[ $TASK == "coverage" ]]; then
       pip install codecov codacy-coverage codeclimate-test-reporter;
       codecov -e TRAVIS_PYTHON_VERSION;

appveyor.yml

@@ -41,10 +41,10 @@ test_script:
     - cmd: set TEST_DATA_DIR=%APPVEYOR_BUILD_FOLDER%\\testdata
     - cmd: if %PYTHON_VERSION% == 2.7 find examples\notebooks -name "*.ipynb" -exec sed -i -e s/python3/python2/ {} ;
     - cmd: python setup.py test --addopts "--junitxml=tests.xml --flake8 --mpl --cov=metpy"
-    - ps: $wc = New-Object 'System.Net.WebClient'
-    - ps: $wc.UploadFile("https://ci.appveyor.com/api/testresults/junit/$($env:APPVEYOR_JOB_ID)", (Resolve-Path .\tests.xml))
     - cmd: find examples\notebooks\ -name "*.ipynb" -print0 | xargs -0 -n1 jupyter nbconvert --execute --ExecutePreprocessor.timeout=200 --ExecutePreprocessor.kernel_name=devel --inplace
 
-after_test:
+on_finish:
+    - ps: $wc = New-Object 'System.Net.WebClient'
+    - ps: $wc.UploadFile("https://ci.appveyor.com/api/testresults/junit/$($env:APPVEYOR_JOB_ID)", (Resolve-Path .\tests.xml))
     - cmd: pip install codecov
     - cmd: codecov -e PYTHON_VERSION PLATFORM

codecov.yml

@@ -3,8 +3,14 @@ coverage:
     patch:
       default:
         target: '80'
+        if_no_uploads: error
+        if_not_found: success
+        if_ci_failed: error
     project:
       default:
         target: auto
+        if_no_uploads: error
+        if_not_found: success
+        if_ci_failed: error
 
 comment: off