Added new Laravel book
Corrected misspelling

Very minor but irritating misspelling of the project name in the quick start guide :)
Merge pull request #506 from BillinghamJ/patch-1

Corrected misspelling
Merge pull request #505 from msurguy/patch-3

Added new Laravel book
Fixing variable typo in eloquent collections filter example

$users = $user->filter would result in "Undefined variable: user" -
should be $users = $users->filter
Update validation.md

Missing digits and digitsbetween
Add permissions requirement to quickstart
Merge pull request #516 from shawncplus/patch-1

Add permissions requirement to quickstart
Tweaking wording a tad.
Merge pull request #514 from raymondidema/patch-1

Update validation.md
Merge pull request #513 from davidrushton/master

Fixing variable typo in eloquent collections filter example
Fix ending a tag RE: https://github.com/laravel/docs/pull/516
Corrected link and removed anchors, there's no link to them anyway
Merge pull request #517 from shawncplus/patch-2

Fix ending a tag RE: https://github.com/laravel/docs/pull/516
Added LONGTEXT command and description to the table builder list
Merge pull request #521 from samchivers/master

Added LONGTEXT command and description to the table builder list