new file:   controllers/c_projects.php - controller for projects
	modified:   js/p4.js - adjustment to js
	modified:   views/_v_template.php - added menu for projects
	modified:   views/v_file_add.php - view for adding files
	new file:   views/v_projects_index.php - view for projects, main page
	new file:   views/v_projects_view.php - view for projects, gives list of all files in a project