Just an example of project settings file for Sublimetext 2. Shows how to set exclude patterns for files and folders, multiple folders with name etc.

example.sublime-project.json

{
    "folders":
    [
    	{
    		"path": "/Path/To/application/dir",
    		"folder_exclude_patterns": ["cache", "logs"],
        	"file_exclude_patterns": ["*_example.*", "backup_*"],
    		"name": "Application Name"
    	},
    	{
    		"path": "/Path/to/test/dir",
    		"name": "Tests"
    	}
    ],
	"settings":
    {
        "tab_size": 4
    }
}