Merge pull request #283 from dlu-gs/develop

StringLength filter
__at_least_groups fix to play correctly with validation groups
Merge pull request #284 from dlu-gs/hotfix/at-least-groups

__at_least_groups fix to play correctly with validation groups
FormUtil form state constants
Merge branch 'develop' of https://github.com/vivoportal/vivoportal into hotfix/form-util
Merge pull request #285 from dlu-gs/hotfix/form-util

Hotfix/form util
Captcha factory with translator injection
Merge pull request #286 from dlu-gs/feature/captcha-factory

Captcha factory with translator injection
BetweenContext validator
Merge branch 'develop' of https://github.com/vivoportal/vivoportal into feature/between-context-validator
Merge pull request #287 from dlu-gs/feature/between-context-validator

Feature/between context validator
Mail simple renderer config mod
Merge pull request #288 from dlu-gs/hotfix/mail-simple-renderer-config

Mail simple renderer config mod
Readme release version
Merge pull request #289 from dlu-gs/release/1.0

Readme release version
composer.json
Required logger version
Merge branch 'release/1.0' into develop
Version info
Merge pull request #290 from dlu-gs/feature/version-info

Version info