Use `hasAttribute()` instead to avoid code duplication
Merge pull request #737 from wicaksono/master

Use `hasAttribute()` instead to avoid code duplication
Added ErrorAction.
Refactored the basic app.
minor enhancement of debugger.
Removed yii\debug\Module::enabled.
changed to trace from info.
Fix in RequestPanel
Merge pull request #741 from Zhuravljov/master

Fix in RequestPanel
Fixed autoloader behavior according to leading \

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

Removed ltrim for '/' from autoload because it is

1. not needed: https://bugs.php.net/bug.php?id=50731 and
2. possibly wrong behavior: https://bugs.php.net/bug.php?id=51087
Merge pull request #742 from cebe/autoload

Fixed autoloader behavior according to leading \
Fixed doc.
doc fix.
avoid confusing docs about autoload return value

autoload return value has no effect on other autoloaders
they will only be called based on whether the class has been loaded or
not.
Fixes #744: simplified Yii autoloader.
Fixes #744: simplified Yii autoloader.
Finished documentation of Console Helper and Controller

fixes #33
cleanup YiiBase::autoload()
Support auto-activation of Nav.
doc fix.