[FABN-1127] Corrected typescript definitions

- Updated ChannelEventHub.connect() definition
- Exported ChaincodeChannelEventHandle
- Upgrade typescript dependency

Upgrade the version of the typescript devDependency since the
previous version seemed to contain a duplicate definition for
the standard JavaScript SharedArrayBuffer type and was failing
to compile typescript. (Mark S. Lewis <mark_lewis@uk.ibm.com>)

Change-Id: I10d27d87bf83b1a94e7c5327e27efc108e0a3a4d
Signed-off-by: Liam Grace <liamgrace.896@gmail.com>

fabric-client/types/index.d.ts

@@ -13,10 +13,6 @@ interface ProtoBufObject {
 	toBuffer(): Buffer;
 }
 
-// Dummy interface for opaque handles for registerChaincodeEvent's
-interface ChaincodeChannelEventHandle { // tslint:disable-line:no-empty-interface
-}
-
 declare class Remote {
 	constructor(url: string, opts?: Client.ConnectionOpts);
 	public getName(): string;
@@ -67,6 +63,7 @@ declare class Client extends BaseClient {
 	public getTargetOrderer(requestOrderer?: string | Client.Orderer, channelOrderers?: Client.Orderer[], channelName?: string): Client.Orderer;
 	public getClientCertHash(create: boolean): Buffer;
 }
+
 export = Client;
 
 declare namespace Client { // tslint:disable-line:no-namespace
@@ -362,7 +359,7 @@ declare namespace Client { // tslint:disable-line:no-namespace
 		public getPeerAddr(): string;
 		public lastBlockNumber(): number;
 		public isconnected(): boolean;
-		public connect(options?: ConnectOptions | boolean): void;
+		public connect(options?: ConnectOptions | boolean, connectCallback?: (err: Error, channelEventHub: ChannelEventHub) => void): void;
 		public disconnect(): void;
 		public close(): void;
 
@@ -377,6 +374,10 @@ declare namespace Client { // tslint:disable-line:no-namespace
 		public unregisterTxEvent(txId: string, throwError?: boolean): void;
 	}
 
+	// Dummy interface for opaque handles for registerChaincodeEvent's
+	export interface ChaincodeChannelEventHandle { // tslint:disable-line:no-empty-interface
+	}
+
 	export interface SignedRequest {
 		payload: Buffer;
 		signature: Buffer;
@@ -401,7 +402,7 @@ declare namespace Client { // tslint:disable-line:no-namespace
 		public sendDeliver(envelope: Buffer): Promise<any>;
 	}
 
-	interface MSPConstructorConfig {
+	export interface MSPConstructorConfig {
 		rootCerts: IIdentity[];
 		intermediateCerts: IIdentity[];
 		admins: IIdentity[];