Update package version and commands

Author: dpvc

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mathjax",
-  "version": "3.2.2",
+  "version": "4.0.0-alpha.1",
   "description": "Beautiful and accessible math in all browsers. MathJax is an open-source JavaScript display engine for LaTeX, MathML, and AsciiMath notation that works in all browsers. This package includes the packaged components (install mathjax-full to get the source code).",
   "keywords": [
     "math",
@@ -13,7 +13,7 @@
     "node"
   ],
   "devDependencies": {
-    "mathjax-full": "3.2.2"
+    "mathjax-full": "4.0.0-alpha.1"
   },
   "maintainers": [
     "MathJax Consortium <info@mathjax.org> (http://www.mathjax.org)"
@@ -38,11 +38,11 @@
     "message": "echo \"$(tput setaf 4)${npm_package_config_message}$(tput setaf 0)\" && echo",
     "line": "echo '--------------------------------------------'",
     "title": "npm run --silent line && npm run --silent message --mathjax:message=\"${npm_package_config_title}\"",
-    "preinstall:mj3": "npm run --silent title --mathjax:title='Installing MathJax...'",
-    "install:mj3": "npm install",
-    "preinstall:mj3-deps": "npm run --silent message --mathjax:message='Installing MathJax Dependencies...'",
-    "install:mj3-deps": "cd node_modules/mathjax-full && npm install",
-    "install:all": "npm run --silent install:mj3 && npm run --silent install:mj3-deps",
+    "preinstall:mj4": "npm run --silent title --mathjax:title='Installing MathJax...'",
+    "install:mj4": "npm install",
+    "preinstall:mj4-deps": "npm run --silent message --mathjax:message='Installing MathJax Dependencies...'",
+    "install:mj4-deps": "cd node_modules/mathjax-full && npm install",
+    "install:all": "npm run --silent install:mj4 && npm run --silent install:mj4-deps",
     "precompile": "npm run --silent title --mathjax:title='Compiling MathJax...'",
     "compile": "cd node_modules/mathjax-full && npm run --silent compile",
     "precomponents": "npm run --silent title --mathjax:title='Building MathJax Components...'",
@@ -53,7 +53,7 @@
     "make-es5": "npm run --silent install:all && npm run --silent compile && npm run --silent components && npm run --silent move",
     "postmake-es5": "npm run --silent title --mathjax:title='Cleaning Up...' && npm run --silent clean:node",
     "preget-es5": "npm run --silent clean:node",
-    "get-es5": "npm run --silent install:mj3 && npm run --silent move",
+    "get-es5": "npm run --silent install:mj4 && npm run --silent move",
     "postget-es5": "npm run --silent title --mathjax:title='Cleaning Up...' && npm run --silent clean:node"
   }
 }