Fix charsets, add more translated files

docs/api/browser-window-ko.md

@@ -219,6 +219,21 @@ Emitted when devtools is closed.
 
 Emitted when devtools is focused / opened.
 
+### Event: 'app-command':
+
+Emitted when an [App Command](https://msdn.microsoft.com/en-us/library/windows/desktop/ms646275(v=vs.85).aspx) is invoked. These are typically related to keyboard media keys or browser commands, as well as the "Back" button built into some mice on Windows.
+
+```js
+someWindow.on('app-command', function(e, cmd) {
+  // Navigate the window back when the user hits their mouse back button
+  if (cmd === 'browser-backward' && someWindow.webContents.canGoBack()) {
+    someWindow.webContents.goBack();
+  }
+});
+```
+
+__Note__: This event is only fired on Windows.
+
 ### Class Method: BrowserWindow.getAllWindows()
 
 Returns an array of all opened browser windows.
@@ -517,6 +532,10 @@ Opens the developer tools.
 
 Closes the developer tools.
 
+### BrowserWindow.isDevToolsOpened()
+
+Returns whether the developer tools are opened.
+
 ### BrowserWindow.toggleDevTools()
 
 Toggle the developer tools.
@@ -753,10 +772,6 @@ Calling `event.preventDefault()` can prevent the navigation.
 
 Emitted when the renderer process is crashed.
 
-### Event: 'gpu-crashed'
-
-Emitted when the gpu process is crashed.
-
 ### Event: 'plugin-crashed'
 
 * `event` Event
@@ -976,10 +991,29 @@ size.
 Prints windows' web page as PDF with Chromium's preview printing custom
 settings.
 
-By default, the options will be
+By default, an empty `options` will be regarded as
 `{marginsType:0, printBackgrounds:false, printSelectionOnly:false,
   landscape:false}`.
 
+```javascript
+var BrowserWindow = require('browser-window');
+var fs = require('fs');
+
+var win = new BrowserWindow({width: 800, height: 600});
+win.loadUrl("http://github.com");
+
+win.webContents.on("did-finish-load", function() {
+  // Use default printing options
+  win.webContents.printToPDF({}, function(error, data) {
+    if (error) throw error;
+    fs.writeFile(dist, data, function(error) {
+      if (err)
+        alert('write pdf file error', error);
+    })
+  })
+});
+```
+
 ### WebContents.send(channel[, args...])
 
 * `channel` String
@@ -1020,3 +1054,90 @@ app.on('ready', function() {
    is different from the handlers on the main process.
 2. There is no way to send synchronous messages from the main process to a
    renderer process, because it would be very easy to cause dead locks.
+
+## Class: WebContents.session.cookies
+
+The `cookies` gives you ability to query and modify cookies, an example is:
+
+```javascipt
+var BrowserWindow = require('browser-window');
+
+var win = new BrowserWindow({ width: 800, height: 600 });
+
+win.loadUrl('https://github.com');
+
+win.webContents.on('did-finish-load', function() {
+  // Query all cookies.
+  win.webContents.session.cookies.get({}, function(error, cookies) {
+    if (error) throw error;
+    console.log(cookies);
+  });
+
+  // Query all cookies that are associated with a specific url.
+  win.webContents.session.cookies.get({ url : "http://www.github.com" },
+      function(error, cookies) {
+        if (error) throw error;
+        console.log(cookies);
+  });
+
+  // Set a cookie with the given cookie data;
+  // may overwrite equivalent cookies if they exist.
+  win.webContents.session.cookies.set(
+    { url : "http://www.github.com", name : "dummy_name", value : "dummy"},
+    function(error, cookies) {
+      if (error) throw error;
+      console.log(cookies);
+  });
+});
+```
+
+### WebContents.session.cookies.get(details, callback)
+
+* `details` Object
+  * `url` String - Retrieves cookies which are associated with `url`.
+    Empty imples retrieving cookies of all urls.
+  * `name` String - Filters cookies by name
+  * `domain` String - Retrieves cookies whose domains match or are subdomains of `domains`
+  * `path` String - Retrieves cookies whose path matches `path`
+  * `secure` Boolean - Filters cookies by their Secure property
+  * `session` Boolean - Filters out session or persistent cookies.
+* `callback` Function - function(error, cookies)
+  * `error` Error
+  * `cookies` Array - array of `cookie` objects.
+    * `cookie` - Object
+      *  `name` String - The name of the cookie
+      *  `value` String - The value of the cookie
+      *  `domain` String - The domain of the cookie
+      *  `host_only` String - Whether the cookie is a host-only cookie
+      *  `path` String - The path of the cookie
+      *  `secure` Boolean - Whether the cookie is marked as Secure (typically HTTPS)
+      *  `http_only` Boolean - Whether the cookie is marked as HttpOnly
+      *  `session` Boolean - Whether the cookie is a session cookie or a persistent
+      *    cookie with an expiration date.
+      *  `expirationDate` Double - (Option) The expiration date of the cookie as
+           the number of seconds since the UNIX epoch. Not provided for session cookies.
+
+
+### WebContents.session.cookies.set(details, callback)
+
+* `details` Object
+  * `url` String - Retrieves cookies which are associated with `url`
+  * `name` String - The name of the cookie. Empty by default if omitted.
+  * `value` String - The value of the cookie. Empty by default if omitted.
+  * `domain` String - The domain of the cookie. Empty by default if omitted.
+  * `path` String - The path of the cookie. Empty by default if omitted.
+  * `secure` Boolean - Whether the cookie should be marked as Secure. Defaults to false.
+  * `session` Boolean - Whether the cookie should be marked as HttpOnly. Defaults to false.
+  * `expirationDate` Double -	The expiration date of the cookie as the number of
+    seconds since the UNIX epoch. If omitted, the cookie becomes a session cookie.
+
+* `callback` Function - function(error)
+  * `error` Error
+
+### WebContents.session.cookies.remove(details, callback)
+
+* `details` Object
+  * `url` String - The URL associated with the cookie
+  * `name` String - The name of cookie to remove
+* `callback` Function - function(error)
+  * `error` Error