(Feature) Build System: Use npm scripts for the build process (#16)

* (Chore) Editorconfig: Add an editorconfig file so those spaces and tabs dont keep mixing

* (Refactor) Build: use npm scripts to build assets

* (Chore) Build: remove dist files from repo / fix ESLint errors

* (Update) Build: Remove unused tasks / add autoprefixer

* (Chore) Gemfile: remove old dependencies

* (Chore) Package.json: Shrinkwrap & postinstalll

* (Doc) Build: Update instructions for new build system

* (Fix) Build: Wach html files in all folders

* (Fix) Build: exclude _site/ from watch

* (Chore) Build/CI: Update buildscript for node/ruby combined

* (Chore) Travis: Add g++ compiler to environment

* (Chore) Build: fix watched directory

* (Fix) travis: set version to 4.5.0 LTS

* (Fix) travis: remove shrinkwrap

* (Fix) Travis: rvm

* (Fix) Travis: before_install

* (Fix) Travis: ignore dist for html proofer

.editorconfig

@@ -0,0 +1,26 @@
+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# editorconfig.org
+
+root = true
+
+
+[*]
+# Change these settings to your own preference
+indent_style = tab
+
+# We recommend you to keep these unchanged
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[{package.json,npm-shrinkwrap.json,.travis.yml,_config.yml}]
+indent_style = space
+
+[test/expected/*]
+insert_final_newline = false
+trim_trailing_whitespace = false