Add build instructions, fix some formatting inconsistencies

README.md

@@ -38,6 +38,25 @@ To install this package with Nix, clone the Git repository and run:
 $ nix-env -f release.nix -iA package.x86_64-linux
 ```
 
+Building a development version
+==============================
+A development version can be deployed by checking out the Git repository and
+running:
+
+```bash
+$ nix-env -f release.nix -iA package.x86_64-linux
+```
+
+The above command installs the development `composer2nix` executable into the
+Nix profile of the user.
+
+Alternatively, you can use `composer` directly to install the project
+dependencies:
+
+```bash
+$ composer install
+```
+
 Usage
 =====
 You need a project providing a `composer.json` and (if applicable) a

bin/composer2nix

@@ -8,13 +8,16 @@ $autoloadLocations = [
 	__DIR__ . '/../../../autoload.php',
 ];
 $loaded = false;
-foreach ($autoloadLocations as $autoload) {
+foreach ($autoloadLocations as $autoload)
+{
 	if (is_file($autoload)) {
 		require_once($autoload);
 		$loaded = true;
 	}
 }
-if (!$loaded) {
+
+if (!$loaded)
+{
 	fwrite(STDERR,
 		'You must set up the project dependencies, run the following commands:' . PHP_EOL .
 		'curl -s http://getcomposer.org/installer | php' . PHP_EOL .