Grunt and npm updates to support sass only mode

- again I didn't write any of this
- who do you think I am, a programmer?

.bowerrc

-{
-  "scripts": {
-    "postinstall": "cp -a ./bower_components/bootstrap/fonts ./"
-  }
-}

.npmignore

@@ -9,3 +9,24 @@ _config.yml
 bower.json
 Gruntfile.js
 */index.html
+2/
+3/
+assets/
+bower_components/
+custom/
+default/
+global/
+help/
+tests/
+_config.yml
+.bowerrc
+.gitignore
+.travis.yml
+bower.json
+CNAME
+composer.json
+favicon.ico
+Gemfile
+Gruntfile.js
+index.html
+*/index.html

_config.yml

-exclude: ["src", "node_modules", "bower.json", "bower_components/font-awesome/src", "package.json", "README.md", "Gruntfile.js"]
+exclude: ["src", "node_modules", "bower.json", "bower_components/font-awesome/src", "composer.json", "package.json", "README.md", "LICENSE", "Gruntfile.js", "Gemfile"]
 include: ["_bootswatch.scss","_variables.scss"]

bower.json

@@ -21,12 +21,9 @@
     "*/index.html"
   ],
   "dependencies": {
-    "bootstrap": "~3.3.7"
+    "bootstrap": "~4.0.0"
   },
   "devDependencies": {
-    "bootstrap-sass-official": "~3.3.7",
-    "font-awesome": "~4.7.0",
-    "html5shiv": "~3.7.3",
-    "respond": "~1.4.2"
+    "font-awesome": "~4.7.0"
   }
 }

package.json

 {
   "name": "Masonstrap",
   "description": "Easily provide any web project with Mason branding",
-  "version": "3.3.7",
+  "version": "4.0.0-alpha.6",
   "author": "Mason SRCT",
   "homepage": "srct.gmu.edu",
   "license": "MIT",
@@ -12,15 +12,21 @@
   "engines": {
     "node": ">= 6.10.0"
   },
+  "scripts": {
+    "postcss": "postcss --config assets/js/postcss.js --replace */bootstrap*.css"
+  },
   "devDependencies": {
-    "bower": "~1.8.0",
-    "grunt": "~1.0.1",
-    "grunt-autoprefixer": "~3.0.4",
-    "grunt-contrib-clean": "~1.0.0",
-    "grunt-contrib-concat": "~1.0.1",
-    "grunt-contrib-connect": "~1.0.2",
-    "grunt-contrib-less": "~1.4.0",
-    "grunt-contrib-sass": "~1.0.0",
-    "grunt-contrib-watch": "~1.0.0"
+    "autoprefixer": "^6.5.0",
+    "bower": "~1.2.8",
+    "grunt": "^1.0.1",
+    "grunt-contrib-clean": "^1.0.0",
+    "grunt-contrib-concat": "^1.0.1",
+    "grunt-contrib-connect": "^1.0.2",
+    "grunt-contrib-sass": "^1.0.0",
+    "grunt-contrib-uglify": "^2.0.0",
+    "grunt-contrib-watch": "^1.0.0",
+    "grunt-exec": "^1.0.1",
+    "postcss-cli": "^2.6.0",
+    "postcss-flexbugs-fixes": "^2.0.0"
   }
 }