fixes #775

fixes #774

Fix function argument

```php
normalizeItems($items, &$active)
```
Qiang use
```php
$items[$i]['items'] = $this->...

GroupDependency::generateDependencyData typo fix

Fix typo

charset

Update caching.md

Update installation.md

Update apps-basic.md

Update apps-advanced.md

document roots and composer folder params

update path document root

Login url fix when called from a module [skip ci]

fixes #33

fixes #743

* master: (806 commits)
avoid confusing docs about autoload return value
doc fix.
Fixed do...

autoload return value has no effect on other autoloaders
they will only be called based on wheth...

Fixed autoloader behavior according to leading \

As of PHP 5.3.2 PHP does not send class names with leading \ to
autoload functions.

Removed ltr...

Fix in RequestPanel