Add Query Editor API to sqlops.proposed (#1196)

* add support query editor API

* remove sqlops.proposed.d.ts in sp_whoIsActive

* address comments

* add catch error when connect

samples/sp_whoIsActive/tasks/buildtasks.js

@@ -116,3 +116,8 @@ gulp.task('test', (done) => {
         done();
     });
 });
+
+gulp.task('copytypings', function() {
+    return gulp.src(config.paths.project.root + '/../../src/sql/sqlops.proposed.d.ts')
+    .pipe(gulp.dest('typings/'));
+});