Travis: Fix Errors due to wrong quoting.

.travis.yml

@@ -58,8 +58,8 @@ before_deploy:
   
   # Has to be done before deploy (due to the rm command)
   #- scp -rp -i nbproject/private/www-updater.key build/updates/* [email protected]:/var/www/updates/stable/3.1/plugins
-  - "[ $BUILD_OTHER != 'true' ] && rm -rf dist/jmonkeyplatform.zip || :"
-  - "[ $BUILD_OTHER == 'true' ] && ./gradlew fixPlatformIndependent || :"
+  - '[ "$BUILD_OTHER" != "true" ] && rm -rf dist/jmonkeyplatform.zip || :'
+  - '[ "$BUILD_OTHER" == "true" ] && ./gradlew fixPlatformIndependent || :'
   - rm -rf build/
 
 deploy: