bug in upgrade script causing it not to ask for new user;

makefile: execute lint check on target folder instead of source;
redirect user to install if no installation is found

.gitignore

@@ -1,3 +1,4 @@
 .idea/*
 /nbproject
 /config.php
+/build

Makefile

@@ -6,11 +6,10 @@ help:
 
 export:
 	@echo 'Building release for tag $(tag) '
-	@echo 'Testing on syntax errors (thats all the automated testing your are going to get for now..) '
-	find . -name "*.php" | xargs -I file php -l file
-	rm -rf ./build
-	mkdir ./build ./build/phpservermon
+	mkdir -p ./build ./build/phpservermon
 	git archive $(tag) | tar -xf - -C ./build/phpservermon/
+	@echo 'Testing on syntax errors (thats all the automated testing your are going to get for now..) '
+	find ./build/phpservermon -name "*.php" | xargs -I file php -l file
 	find ./build/phpservermon -name "*.php" -exec sed -i "" "s/@package_version@/$(tag)/" {} \;
 	find ./build/phpservermon -type f | xargs chmod 0644
 	find ./build/phpservermon -type d | xargs chmod 0755

src/bootstrap.php

@@ -109,7 +109,8 @@ if(defined('PSM_INSTALL') && PSM_INSTALL) {
 	// attempt to load configuration from database
 	if(!psm_load_conf()) {
 		// unable to load from config table
-		die('We were unable to find an existing installation. <a href="install.php">Please click here to install PHP Server Monitor</a>.');
+		header('Location: install.php');
+		die();
 	}
 	// config load OK, make sure database version is up to date
 	$version_db = psm_get_conf('version');

src/psm/Module/Install/Controller/InstallController.class.php

@@ -182,7 +182,7 @@ class InstallController extends AbstractController {
 			if($this->db->status()) {
 				if($this->isUpgrade()) {
 					// upgrade
-					if(version_compare(PSM_VERSION, '3.0.0', '<')) {
+					if(version_compare($this->getPreviousVersion(), '3.0.0', '<')) {
 						// upgrade from before 3.0, does not have passwords yet.. create new user first
 						$this->addMessage('Your current version does not have an authentication system, but since v3.0 access to the monitor is restricted by user accounts. Please set up a new account to be able to login after the upgrade, and which you can use to change the passwords for your other accounts.', 'info');
 						$this->setTemplateId('install_config_new_user', 'install/install.tpl.html');