Update Overwatch : multiple fixes

- WindowsXP -> Windows 7

- `DXVK` is mandatory for performance, 

- Fix executable

- Disabled nvapi, nvapi64 which proved beneficial in tests.

Applications/Games/Overwatch/Online/script.js

@@ -1,28 +1,30 @@
 include(["engines", "wine", "quick_script", "online_installer_script"]);
-include(["engines", "wine", "plugins", "csmt"]);
 include(["engines", "wine", "plugins", "windows_version"]);
+include(["engines", "wine", "plugins", "override_dll"]);
 include(["engines", "wine", "verbs", "vcrun2015"]);
 include(["engines", "wine", "verbs", "corefonts"]);
+include(["engines", "wine", "verbs", "dxvk"]);
 
 var installerImplementation = {
     run: function () {
         new OnlineInstallerScript()
             .name("Overwatch")
             .editor("Blizzard")
             .applicationHomepage("http://www.playoverwatch.com/")
-            .author("ImperatorS79")
+            .author("ImperatorS79, kreyren")
             .url("https://eu.battle.net/download/getInstaller?os=win&installer=Overwatch-Setup.exe")
-        //The checksum is different each time you download
+            //The checksum is different each time you download
             .wineVersion(LATEST_STAGING_VERSION)
             .wineDistribution("staging")
             .wineArchitecture("amd64")
             .category("Games")
-            .executable("Overwatch.exe")
+            .executable("Battle.net.exe")
             .preInstall(function (wine/*, wizard*/) {
-                wine.windowsVersion("winxp");
+                wine.windowsVersion("win7");
                 wine.vcrun2015();
                 wine.corefonts();
-                wine.enableCSMT();
+                wine.overrideDLL().set("disabled", ["nvapi", "nvapi64"]).do();
+                wine.DXVK();
             })
             .go();
     }

Applications/Games/Overwatch/Online/script.json

@@ -2,10 +2,11 @@
     "scriptName"                 : "Online",
     "id"                         : "online",
     "compatibleOperatingSystems" : [
-        "LINUX"
+        "LINUX",
+        "MACOSX"
     ],
     "testingOperatingSystems" : [
-        "LINUX"
+        "MACOSX"
     ],
     "free"          : false,
     "requiresPatch" : false