fix(colon): add missing semi-colon at line end

.travis.yml

@@ -57,7 +57,7 @@ script:
 
   # linux bundling (with wheel upload to pypi)
   - if [ "$TRAVIS_OS_NAME" = "linux" ]; then
-        python3 -m coverage run tests/unit_test_all.py
+        python3 -m coverage run tests/unit_test_all.py;
         bash plenopticam/scripts/bundling/py2bin.sh;
         export RELEASE_PKG_FILE=$(ls dist/*.tar.gz);
         pip3 install --upgrade twine;
@@ -69,15 +69,15 @@ script:
     fi
   # osx bundling
   - if [ "$TRAVIS_OS_NAME" = "osx" ]; then
-        python3 -m coverage run tests/unit_test_all.py
+        python3 -m coverage run tests/unit_test_all.py;
         npm install --global create-dmg;
         bash plenopticam/scripts/bundling/pyinst2app.sh;
         sleep 1;
         export RELEASE_PKG_FILE=$(ls dist/*.dmg);
     fi
   # win bundling
   - if [ "$TRAVIS_OS_NAME" = "windows" ]; then
-        python -m coverage run tests/unit_test_all.py
+        python -m coverage run tests/unit_test_all.py;
         pip3 install pypiwin32;
         pip3 install pyinstaller --upgrade;
         plenopticam/scripts/bundling/py2exe.bat;