Fix broken Travis config

* Doesn't also build the Linux or Mac manager on server deploy
* Correctly builds a Windows binary on manager release (although we still have to manually upload build artifacts)
* Renames the Shadowbox deployment step

.travis.yml

@@ -27,7 +27,7 @@ stages:
     if: type = cron
   - name: Test
     if: type != cron
-  - name: "deploy"
+  - name: "Deploy Server"
     if: tag =~ ^server-
   - name: "Manager Release"
     if: tag =~ ^v[0-9]
@@ -71,7 +71,7 @@ jobs:
           sudo mv docker-compose /usr/local/bin
         - yarn do shadowbox/docker/build && cd src/shadowbox/integration_test && ./test.sh
 
-    - stage: deploy
+    - stage: "Deploy Server"
       name: Server Docker Image
       sudo: required
       services: docker
@@ -83,16 +83,8 @@ jobs:
         - docker tag outline/shadowbox quay.io/outline/shadowbox:daily
         - docker push quay.io/outline/shadowbox:daily
 
-    - stage: deploy
-      name: Manager Linux
-      addons:
-        apt:
-          packages:
-          - rpm
-      script: yarn do server_manager/electron_app/package_linux
-
     # https://www.electron.build/multi-platform-build
-    - stage: deploy
+    - stage: "Manager Release"
       name: Manager Windows
       sudo: required
       services: docker
@@ -106,11 +98,6 @@ jobs:
             electronuserland/builder:wine
             /bin/bash -c "yarn do server_manager/electron_app/package_only_windows" || travis_terminate $?
 
-    - stage: deploy
-      name: Manager macOS
-      os: osx
-      script: yarn do server_manager/electron_app/package_macos
-
     # Note that because we cannot currently sign Windows binaries on Travis,
     # these must be manually built and uploaded to the releases page.
     - stage: "Manager Release"