Did some linking for the documentation

Signed-off-by: Alexander Cogneau <alexander.cogneau@hotmail.be>
Added --class option to database seeding examples.
Route::resources no longer uses `id` as a parameter

The resource is the id parameter now.
Added restoring and restored model events.

Added missing restoreing and restored model events.
getting executed sql querie from the QueryLog
Improve array_fetch example to show the difference with array_pluck
Right application directory is "app", not "application"
Add chaining example to the Query Scope section

I first learned this from [a comment](https://github.com/laravel/framework/pull/273#issuecomment-15216595) on PR.

This great feature should be documented!
Example of route helper
HTTP Basic Authentication workaround under Apache FastCGI
Remove warning about key since it is now auto-generated.
Merge pull request #442 from adamgoose/master

Added explanation of the 'except' parameter on Resource Routes.
Remove "or"
Added note about location of service providers.
Merge pull request #438 from neoascetic/patch-5

Example of route helper
Merge pull request #437 from neoascetic/patch-4

Add chaining example to the Query Scope section
Merge pull request #435 from neoascetic/patch-2

Right application directory is "app", not "application"
Merge pull request #428 from hisorange/patch-1

Added restoring and restored model events.
Added a missing * to make View creators bold
Merge pull request #448 from szyszec/patch-1

Added a missing * to make "View creators" bold