Updates compatibility, removes deprecated dependencies, fixes readiogroup demo

Author: Andrew Lee

README.md

@@ -17,9 +17,9 @@ accessible in any given state.
 Compatibility
 ------------------------------------------------------------------------------
 
-* Ember.js v2.18 or above
-* Ember CLI v2.13 or above
-* Node.js v8 or above
+* Ember.js v3.0.0 or above
+* Ember CLI v3.0.0 or above
+* Node.js v10 or above
 
 
 Installation

package.json

@@ -40,7 +40,6 @@
     "ember-cli-eslint": "5.1.0",
     "ember-cli-github-pages": "0.2.2",
     "ember-cli-htmlbars": "5.1.0",
-    "ember-cli-htmlbars-inline-precompile": "3.0.1",
     "ember-cli-inject-live-reload": "2.0.2",
     "ember-cli-qunit": "4.4.0",
     "ember-cli-release": "0.2.9",

tests/dummy/config/environment.js

@@ -29,6 +29,8 @@ module.exports = function(environment) {
             // Disabled to test whether the config is
             // properly loaded in test environment
             'image-alt': { enabled: false },
+            // Enable for demo app, as rule is deprecated
+            'radiogroup': { enabled: true }
           }
         }
       }

yarn.lock

@@ -2419,11 +2419,6 @@ babel-plugin-htmlbars-inline-precompile@^0.2.5:
   resolved "https://registry.yarnpkg.com/babel-plugin-htmlbars-inline-precompile/-/babel-plugin-htmlbars-inline-precompile-0.2.6.tgz#c00b8a3f4b32ca04bf0f0d5169fcef3b5a66d69d"
   integrity sha512-H4H75TKGUFij8ukwEYWEERAgrUf16R8NSK1uDPe3QwxT8mnE1K8+/s6DVjUqbM5Pv6lSIcE4XufXdlSX+DTB6g==
 
-babel-plugin-htmlbars-inline-precompile@^2.1.0:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-htmlbars-inline-precompile/-/babel-plugin-htmlbars-inline-precompile-2.1.1.tgz#59edd4eab28d27fbafa26d51bc19795278d103a9"
-  integrity sha512-obo5//IFrEZNAQovcXxOXLn5nwkQ0Y+xhR7AMg1sYR6W7KxQLZI9/XzbIytVhjwwY+Bd2e0+qyHEplJbHyZ1Og==
-
 babel-plugin-htmlbars-inline-precompile@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-htmlbars-inline-precompile/-/babel-plugin-htmlbars-inline-precompile-4.0.0.tgz#3589f1046fa05c8323ca818d68faadc506671318"
@@ -4538,18 +4533,6 @@ [email protected]:
     ember-cli-version-checker "^2.1.0"
     rsvp "^4.7.0"
 
-[email protected]:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/ember-cli-htmlbars-inline-precompile/-/ember-cli-htmlbars-inline-precompile-3.0.1.tgz#dc1f6fbc3bb5e51d01ca334e692c7f0b5e298d57"
-  integrity sha512-mLGJjxEPiOFty9HVM7LHg+5cfM1M9lwbEBmlanZMM333cnwvgZulKjTYU0/e0tpWDvNvPdX8rM+/Leh0TIrqqA==
-  dependencies:
-    babel-plugin-htmlbars-inline-precompile "^2.1.0"
-    ember-cli-version-checker "^3.1.3"
-    hash-for-dep "^1.5.1"
-    heimdalljs-logger "^0.1.9"
-    semver "^6.3.0"
-    silent-error "^1.1.0"
-
 ember-cli-htmlbars-inline-precompile@^1.0.0:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/ember-cli-htmlbars-inline-precompile/-/ember-cli-htmlbars-inline-precompile-1.0.5.tgz#312e050c9e3dd301c55fb399fd706296cd0b1d6a"