[IMP] component: get env from constructor

closes #430

tools/benchmarks/owl-master/app.js

@@ -144,7 +144,7 @@ App.components = { Message };
 //------------------------------------------------------------------------------
 async function start() {
   const templates = await owl.utils.loadFile("templates.xml");
-  owl.config.env = {
+  App.env = {
     qweb: new owl.QWeb({ templates })
   };
   const app = new App();

tools/playground/app.js

@@ -95,7 +95,7 @@ function makeCodeIframe(js, css, xml, errorHandler) {
           owl.__info__.mode = 'dev';
           let templates = \`${sanitizedXML}\`;
           const qweb = new owl.QWeb({ templates });
-          owl.config.env = { qweb };
+          owl.Component.env = { qweb };
         }
         ${js}`;
       script.innerHTML = content;
@@ -443,7 +443,7 @@ async function start() {
     owl.utils.whenReady()
   ]);
   const qweb = new owl.QWeb({ templates });
-  owl.config.env = { qweb };
+  owl.Component.env = { qweb };
   const app = new App();
   app.mount(document.body);
 }

tools/playground/samples.js

@@ -345,7 +345,7 @@ const themeContext = new Context({
    foreground: '#fff',
 });
 // Add the themeContext the environment to make it available to all components
-owl.config.env.themeContext = themeContext;
+App.env.themeContext = themeContext;
 const app = new App();
 app.mount(document.body);
 `;
@@ -544,7 +544,7 @@ function makeStore() {
     return store;
 }
 
-owl.config.env.store = makeStore();
+TodoApp.env.store = makeStore();
 const app = new TodoApp();
 app.mount(document.body);
 `;
@@ -1032,7 +1032,7 @@ function setupResponsivePlugin(env) {
 //------------------------------------------------------------------------------
 // Application Startup
 //------------------------------------------------------------------------------
-setupResponsivePlugin(owl.config.env);
+setupResponsivePlugin(App.env);
 
 const app = new App();
 app.mount(document.body);
@@ -1543,7 +1543,7 @@ const windows = [
   }
 ];
 
-owl.config.env.windows = windows;
+App.env.windows = windows;
 const app = new App();
 app.mount(document.body);
 `;