Replace url() with path() for dashboard url

It's not better to use the relative dashboard url generated with the
path() twig function instead of the absolute url using the url()
function?

I noticed in a project of mine (the hosting server have some special
settings regarding the public hostname) that the dashboard url is wrong
generated using url(), with path() it is perfect.
[CRUDController]Allowed throw exception on debug mode.
Merge pull request #1982 from aitboudad/patch-2

[CRUDController]Allowed throw exception on debug mode
Merge pull request #2519 from samuel4x4/master

Replace url() with path() for dashboard url
Replace :before with :after

The sort arrow being right, it makes more sense to use pseudo-element after
Merge pull request #2535 from roukmoute/patch-2

Replace :before with :after
Replace validateValue by validate in inline edit
better presentation of demo login
updated german translations
Merge pull request #2550 from OskarStark/patch-2

updated german translations
Merge pull request #2549 from OskarStark/patch-1

better presentation of demo login
Merge pull request #2548 from EmmanuelVella/list-editable-validate

Replace validateValue by validate in inline edit
set headlines for "demo" and "documentation"
Merge pull request #2555 from OskarStark/patch-3

set headlines for "demo" and "documentation"
fix floating check with label for firefox
Merge pull request #2556 from juherpin/fix-floating-label

Fix floating check with label for firefox
- update documentation & fix typos
Merge pull request #2565 from nicolasricci/master

- update documentation & fix typos
Nano - simple quotes vs double quotes

simple quotes vs double quotes
Merge pull request #2566 from cbastienbaron/patch-1

Nano - simple quotes vs double quotes