Merge pull request #15 from fmarangi/hotfix/layout-exception

[~BUGFIX] Fixed layout definition causing "Invalid block type" exception
Merge branch 'bugfix'
Merge branch 'next'
Merge branch 'bugfix'
[+TASK] build new version 3.4.4
Merge branch 'master' into next
[+TASK] updated last changes
[+TASK] rebuild
Merge branch 'development' into next
[+TASK] build new version 3.4.5
Merge branch 'next'
[+BUGFIX] don't override existing attributes in export data
Merge branch 'bugfix'
[~BUGFIX] avoid using non existing methods, if a different engine is used
Merge branch 'bugfix'
[+TASK] build version 3.4.6
[+BUGFIX] Class 'FF' not found in CheckStatus by loading the facade prior the usage of FF
[+TASK] build version 3.4.6
Merge branch 'bugfix'
[TASK] updated last changes and rebuild version 3.4.6 (with one more bugfix)