Build fixes

- removed duplicate ng2-translate
- tsconfig fixes

ng2-components/ng2-alfresco-core/package.json

@@ -55,7 +55,6 @@
         "rxjs": "5.0.0-beta.2",
         "ng2-translate": "^1.11.2",
         "zone.js": "^0.6.12",
-        "ng2-translate": "^1.11.2",
         "es6-module-loader": "^0.17.8"
     },
     "peerDependencies": {

ng2-components/ng2-alfresco-documentlist/tsconfig.json

@@ -11,6 +11,7 @@
         "outDir": "dist"
     },
     "exclude": [
+        "demo",
         "node_modules",
         "typings/main",
         "typings/main.d.ts"