Fix a few issues reported by tslint

Author: DustinCampbell

src/omnisharp/launcher.ts

@@ -144,7 +144,7 @@ export function launchOmniSharp(cwd: string, args: string[], kind: LaunchTargetK
             .then(result => {
                 // async error - when target not not ENEOT
                 result.process.on('error', err => {
-                    reject(err)
+                    reject(err);
                 });
 
                 // success after a short freeing event loop
@@ -243,9 +243,9 @@ function launchNixMono(launchPath: string, cwd: string, args: string[]): Promise
     return canLaunchMono()
         .then(() => {
             let argsCopy = args.slice(0); // create copy of details args
-            args.unshift(launchPath);
+            argsCopy.unshift(launchPath);
 
-            let process = spawn('mono', args, {
+            let process = spawn('mono', argsCopy, {
                 detached: false,
                 cwd: cwd
             });

src/omnisharp/requestQueue.ts

@@ -4,7 +4,6 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { Logger } from '../logger';
-import * as protocol from './protocol';
 import * as prioritization from './prioritization';
 
 export interface Request {
@@ -109,7 +108,6 @@ class RequestQueue {
 }
 
 export class RequestQueueCollection {
-    private _logger: Logger;
     private _isProcessing: boolean;
     private _priorityQueue: RequestQueue;
     private _normalQueue: RequestQueue;

src/omnisharp/server.ts

@@ -11,7 +11,6 @@ import { Options } from './options';
 import { Logger } from '../logger';
 import { DelayTracker } from './delayTracker';
 import { LaunchTarget, findLaunchTargets } from './launcher';
-import { PlatformInformation } from '../platform';
 import { Request, RequestQueueCollection } from './requestQueue';
 import TelemetryReporter from 'vscode-extension-telemetry';
 import * as path from 'path';
@@ -58,7 +57,6 @@ const TelemetryReportingDelay = 2 * 60 * 1000; // two minutes
 export class OmniSharpServer {
 
     private static _nextId = 1;
-    private static StartupTimeout = 1000 * 60;
 
     private _debugMode: boolean = false;
 
@@ -455,7 +453,7 @@ export class OmniSharpServer {
             let listener: vscode.Disposable;
 
             // Convert the timeout from the seconds to milliseconds, which is required by setTimeout().
-            const timeoutDuration = this._options.projectLoadTimeout * 1000
+            const timeoutDuration = this._options.projectLoadTimeout * 1000;
 
             // timeout logic
             const handle = setTimeout(() => {