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.
getting executed sql querie from the QueryLog
Improve array_fetch example to show the difference with array_pluck
HTTP Basic Authentication workaround under Apache FastCGI
added short paragraph on accessing inserted id
added paragraph on exception handler ordering
Expanded info on environment detection via machine name
Missing ' in controllers doc, section resources
typo on validation.md
Fixed missing single quote
adding two additional laravel books...

adding two additional books... Implementing Laravel by Chris Fidao and Getting Stuff Done With Laravel 4 by Chuck Heintzelman
Merge pull request #459 from vjandrea/master

Fixed missing single quote
Modified the section put() example to contain minutes argument

Illuminate\Cache\Section::put() is defined as `put($key, $value, $minutes)`, but the examples neglect to include the `minutes` value, which causes a 'Missing argument 3' Exception.
Merge pull request #462 from CarnotInteractive/patch-1

Modified the section put() example to contain minutes argument
Update security.md

Included 'password' and 'password_confirmation' in the credentials for password resets.
Adding leftJoin to the docs.

There was no entry for the leftJoin method.
Merge pull request #465 from JesseObrien/patch-1

Adding leftJoin to the docs.
Update validation.md

Added example for validating multiple fields at once.