only build tags

.travis.yml

@@ -31,8 +31,10 @@ jobs:
     name: "Unit Tests w/ Python 3.6"
     python: "3.6"
 
+
+if: tag IS present
   - &build
-    name: "Linux"
+    name: "Linux Release"
     python: "3.6"
     install:
       - pip install pyinstaller
@@ -44,6 +46,7 @@ jobs:
       - zip -j dist/aioupnp-${OS}.zip dist/aioupnp
 
     env: OS=linux
+
     addons:
       artifacts:
         working_dir: dist
@@ -51,7 +54,7 @@ jobs:
           - aioupnp-${OS}.zip
 
   - <<: *build
-    name: "Mac"
+    name: "Mac Release"
     os: osx
     osx_image: xcode9.4
     language: generic
@@ -61,7 +64,7 @@ jobs:
     - pip3 install -e .
 
   - <<: *build
-    name: "Windows"
+    name: "Windows Release"
     language: generic
     services:
     - docker