message: Build fix in `commands.pickProjectAndStart`
  Getting the following without it:
  ```
  npm run compile
  > compile
  > tsc -p ./ && gulp tslint
  [17:31:43] Requiring external module ts-node/register
  [17:31:47] Using gulpfile ~/dev/omnisharp-vscode/gulpfile.ts
  [17:31:47] Starting 'tslint'...
  ERROR: /Users/tanay/dev/omnisharp-vscode/src/features/commands.ts:84:44 - functions that return promises must be async
  [17:31:53] Finished 'tslint' after 5.25 s
  ```
diff: @@ -81,7 +81,7 @@ async function restartOmniSharp(context: vscode.ExtensionContext, server: OmniSh
  async function pickProjectAndStart(server: OmniSharpServer, optionProvider: OptionProvider): Promise<void> {
  let options = optionProvider.GetLatestOptions();
  - return findLaunchTargets(options).then(targets => {
  + return findLaunchTargets(options).then(async targets => {
  let currentPath = server.getSolutionPathOrFolder();
  if (currentPath) {
  