minor spelling/grammar corrections
Prevent TokenMismatchException for HTTP OPTIONS requests

`OPTIONS` HTTP requests should be treated in the same way than `GET` requests by the `VerifyCsrfToken` middleware. Otherwise, an exception is thrown, thus preventing any `OPTIONS` route to work.
Merge pull request #3118 from miclf/patch-1

Prevent TokenMismatchException for HTTP OPTIONS requests
Tweak wording.
Merge pull request #3108 from pascalschwientek/patch-1

minor spelling/grammar corrections
Fix redirects.
Fix file.
Terminate the request after sending.
Remove some stuff from .gitignore.

Let people define their own global .gitignore file. Also people keep
complaining that composer.lock is in this file.
Merged with upstream/develop

Signed-off-by: tyloo <jbonva@gmail.com>