Merge pull request KnpLabs#537 from KnpLabs/release/3.0.0

Prepare for 3.0

Merge pull request KnpLabs#489 from paul-mesnilgrente/size-twitter-v4

adding size option for bootstrap v4, issue KnpLabs#488

Merge pull request KnpLabs#472 from diegocastro/master

Brazilian portuguese translation

Merge pull request KnpLabs#462 from KnpLabs/fix/deprecation-warning

mark knp_paginator service as public

Merge pull request KnpLabs#459 from hossam-magdy/master

Update README for bootstrap 4 template & Update the template for `align` viewParameter (center|right)

Complete changelog for v2.6

Merge pull request KnpLabs#399 from andygajetzki/master

adds bulma css paginator template

Merge pull request KnpLabs#352 from PBWebMedia/treat-underscored-vari…

…abled-as-hidden

Hide underscores parameters from the url. Underscored variables shoul…

update composer dev version

Merge pull request KnpLabs#342 from GrzegorzW/master

Fix README.md