Deploy fixes and dependencies update resolve #468 #469 #470

* fix linked dirs for backups
* update revision of svg2pdf resolve #468
* server static assets for mounted engines
* create public/stylesheets empty dir
* update Travis.yml config to cache node modules

.travis.yml

 language: ruby
-cache: bundler
+cache:
+  bundler: true
+  directories:
+    - node_modules
+    - tmp/cache/assets/test/sprockets
 rvm:
   - 2.2.1
 before_install:

Gemfile.lock

@@ -23,11 +23,11 @@ GIT
 
 GIT
   remote: git://github.com/ComPlat/svg2pdf.git
-  revision: 13c070832a45fd70c60726a5888661ccc57f93cd
+  revision: 8b207a7e5bb6d1503b0d5da9d3c4dd74d7b6a43a
   specs:
     svg2pdf (0.2.0)
       activesupport
-      rsvg2
+      rsvg2 (= 3.0.8)
 
 GIT
   remote: git://github.com/cubuslab/openbabel-gem.git

config/deploy.rb

@@ -27,8 +27,9 @@ set :nvm_node, 'v4.4.3'
 set :linked_files, fetch(:linked_files, []).push('config/database.yml', 'config/secrets.yml', '.env')
 
 # Default value for linked_dirs is []
-set :linked_dirs, fetch(:linked_dirs, []).push('node_modules','log', 'tmp/pids', 'tmp/cache',
-'tmp/sockets', 'public/images', 'uploads/attachments', 'backup/deploy_backup')
+set :linked_dirs, fetch(:linked_dirs, []).push('node_modules','log', 'tmp/pids',
+'tmp/cache', 'tmp/sockets', 'public/images', 'uploads/attachments',
+'public/stylesheets', 'backup/deploy_backup', 'backup/weekly_backup')
 
 # Default value for default_env is {}
 # set :default_env, { path: "/opt/ruby/bin:$PATH" }

config/environments/production.rb

@@ -22,7 +22,9 @@ Rails.application.configure do
 
   # Disable serving static files from the `/public` folder by default since
   # Apache or NGINX already handles this.
-  config.serve_static_files = ENV['RAILS_SERVE_STATIC_FILES'].present?
+  # config.serve_static_files = ENV['RAILS_SERVE_STATIC_FILES'].present?
+  # UPDATE we have to enable it for engines with assets
+  config.serve_static_files = true
 
   # Compress JavaScripts and CSS.
   config.assets.js_compressor = :uglifier