fix: try building travis from .tgz

until NativeScript/nativescript-dev-webpack#612 is fixed

Author: lini

Diff for: .gitignore

@@ -1,6 +1,7 @@
 # built application files
 *.apk
 *.ap_
+*.tgz
 
 # files for the dex VM
 *.dex

Diff for: .travis.yml

@@ -6,24 +6,40 @@ matrix:
     - stage: "Lint"
       language: node_js
       os: linux
-      node_js: "6"
+      node_js: "8"
       script: cd src && npm run ci.tslint && cd ../demo && npm run ci.tslint && cd ../demo-angular && npm run ci.tslint
     - stage: "WebPack, Build and Test"
       os: osx
       env:
         - WebPack="iOS"
       osx_image: xcode9.2
       language: node_js 
-      node_js: "6"
+      node_js: "8"
       jdk: oraclejdk8
-      script: cd demo && npm run build.plugin && npm i && tns build ios --bundle --env.uglify && cd ../demo-angular && npm i && tns build ios --bundle --env.uglify --env.aot
+      script: 
+        - cd demo && npm run build.plugin && npm i && tns build ios --bundle --env.uglify 
+        - cd publish 
+        - pack.sh
+        - cp package/*.tgz ../demo-angular/package.tgz
+        - cd ../demo-angular
+        - sed -i -e 's/\"..\/src\"/"package.tgz"'
+        - npm i
+        - tns build ios --bundle --env.uglify --env.aot
     - language: android
       os: linux
       env:
         - WebPack="Android"
       jdk: oraclejdk8
       before_install: nvm install 8.9.4
-      script: cd demo && npm run build.plugin && npm i && tns build android --bundle --env.uglify --env.snapshot && cd ../demo-angular && tns build android --bundle --env.uglify --env.snapshot --env.aot
+      script:
+        - cd demo && npm run build.plugin && npm i && tns build android --bundle --env.uglify --env.snapshot
+        - cd publish 
+        - pack.sh
+        - cp package/*.tgz ../demo-angular/package.tgz
+        - cd ../demo-angular
+        - sed -i -e 's/\"..\/src\"/"package.tgz"'
+        - npm i
+        - tns build ios --bundle --env.uglify --env.aot
     - language: android
       env: 
         - BuildAndroid="26"
@@ -38,7 +54,7 @@ matrix:
         - Xcode="9.2"
       osx_image: xcode9.2
       language: node_js 
-      node_js: "6"
+      node_js: "8"
       jdk: oraclejdk8
       script: 
         - cd src && npm i && npm run tsc && cd ../demo && tns build ios && cd ../demo-angular && tns build ios