More minor message improvements (#459)

src/mongo/shell.ts

@@ -20,7 +20,7 @@ export class Shell {
 				const shellProcess = cp.spawn(execPath, ['--quiet', connectionString]);
 				return c(new Shell(shellProcess));
 			} catch (error) {
-				e(`Error while creating mongo shell with path ${execPath}: ${error}`);
+				e(`Error while creating mongo shell with path '${execPath}': ${error}`);
 			}
 		});
 	}
@@ -64,8 +64,8 @@ export class Shell {
 		once(this.mongoShell.stderr, 'close', result => this.onResult.fire(result));
 	}
 
-	async useDatabase(databse: string): Promise<string> {
-		return this.exec(`use ${databse}`);
+	async useDatabase(database: string): Promise<string> {
+		return this.exec(`use ${database}`);
 	}
 
 	async exec(script: string): Promise<string> {

src/mongo/tree/MongoCollectionTreeItem.ts

@@ -151,7 +151,7 @@ export class MongoCollectionTreeItem implements IAzureParentTreeItem {
 
 	private async drop(): Promise<string> {
 		await this.collection.drop();
-		return `Dropped collection ${this.collection.collectionName}.`;
+		return `Dropped collection '${this.collection.collectionName}'.`;
 	}
 
 	private async findOne(args?: Object): Promise<string> {