Merge pull request #408 from Skullbock/development

Fixed signature incompatibility between F0FTable and F0FTableNested
The view is always pluralised in the toolbar

https://github.com/akeeba/fof/blob/d71230c018dec02dc1609c9dffa4980d0e88d3ba/fof/toolbar/toolbar.php#L269
Keep capitalised MUST
Merge pull request #409 from wilsonge/patch-4

The view is always pluralised in the toolbar
Added filterable header
Documentation update
Added filter filterable
Composer AAAARRRRGGGHHHH
Merge pull request #410 from Eighke/development

Filterable header field
Allow to inject additional options that will be used to perform the download
Added option to get the adapter name
gh-412
Merge pull request #414 from akeeba/feature/412-cookie-support

Add custom options before downloading
Removed duplicated options
Relation field
Documentation update
Merge pull request #415 from Eighke/development

Relation field
+ Support for custom default tasks in XML edit forms
Missing layout on browse (filtering redirect to default)
Merge pull request #417 from Eighke/development

Missing layout on browse (filtering redirect to default)
Allow toolbar to be custom by task in fof.xml
Documentation update