Prepare platform before building

Author: Fatme Havaluova

lib/commands/build.ts

@@ -6,9 +6,7 @@ export class BuildCommand implements ICommand {
 		private $platformCommandParameter: ICommandParameter) { }
 
 	execute(args: string[]): IFuture<void> {
-		return (() => {
-			this.$platformService.buildPlatform(args[0]).wait();
-		}).future<void>()();
+		return	this.$platformService.buildPlatform(args[0]);
 	}
 
 	allowedParameters = [this.$platformCommandParameter];

lib/services/platform-service.ts

@@ -165,6 +165,7 @@ export class PlatformService implements IPlatformService {
 	public buildPlatform(platform: string): IFuture<void> {
 		return (() => {
 			platform = platform.toLowerCase();
+			this.preparePlatform(platform);
 
 			var platformData = this.$platformsData.getPlatformData(platform);
 			platformData.platformProjectService.buildProject(platformData.projectRoot).wait();