Issue #20: Make things more consistent even if there is not yet a lock file.

[laryn]

Fixes #20.

[sikofitt]

There is a new issue after apply this patch.

Enabling the composer_manager module works fine, but when enabling the composer_manager_sa module it yells about the autoload.php file.

RuntimeException: Autoloader not found: /var/www/html/files/vendor/autoload.php in composer_manager_register_autoloader() (line 184 of /var/www/html/modules/composer_manager/composer_manager.module).

Edit

I see now, that function throws if the autoloader isn't found. I think a try/catch block in the composer_manager_sa module would fix this.

[sikofitt]

Suggested change

	composer_manager_register_autoloader();
	try {
	composer_manager_register_autoloader();
	} catch(\Exception $e) {
	backdrop_set_message(t('Run composer update to create a composer autoload.php file.'), 'error');
	}