wait() on ProcessFuture & removing some comments

Author: rafiki270

Sources/ExecutorKit/Executor.swift

@@ -1,10 +1,3 @@
-//
-//  Executor.swift
-//  
-//
-//  Created by Ondrej Rafaj on 04/07/2019.
-//
-
 import Foundation
 import NIO
 

Sources/ExecutorKit/Exit.swift

@@ -1,10 +1,3 @@
-//
-//  Exit.swift
-//  
-//
-//  Created by Ondrej Rafaj on 17/07/2019.
-//
-
 import Foundation
 
 

Sources/ExecutorKit/Exports.swift

@@ -1,10 +1,3 @@
-//
-//  Exports.swift
-//  
-//
-//  Created by Ondrej Rafaj on 17/07/2019.
-//
-
 @_exported import WebErrorKit
 @_exported import protocol NIO.EventLoop
 @_exported import class NIO.EventLoopFuture

Sources/ExecutorKit/Extensions/ProcessFuture+NIO.swift

@@ -0,0 +1,11 @@
+import NIO
+
+
+extension ProcessFuture {
+    
+    @discardableResult
+    public func wait() throws -> Output {
+        return try future.wait()
+    }
+    
+}

Sources/ExecutorKit/ProcessFuture.swift

@@ -1,10 +1,3 @@
-//
-//  ProcessFuture.swift
-//  
-//
-//  Created by Ondrej Rafaj on 17/07/2019.
-//
-
 import Foundation
 
 

Sources/ExecutorKit/ShellError.swift

@@ -1,10 +1,3 @@
-//
-//  ShellError.swift
-//  
-//
-//  Created by Ondrej Rafaj on 17/07/2019.
-//
-
 import Foundation
 import WebErrorKit