Update EM->trigerUntil to be an alias of trigger

They contained the exact same code/logic. The only difference was the
conditional around checking if the callback was valid, but the outcome
is the same for both. This simply reduces duplicate code and causes no
change in behavior at all.
Deprecate EventManager->triggerUntil() method
Merge branch 'hotfix/#6935-#6358-wrong-zend-feed-atom-datetime-format'

Close #6935
Close #6358
allow to filter the templates by extension in the templatemap generator
better error message for bad extensions list format
add wildcard option at beginning of extensions
Merge branch 'feature/#6930-filter-templates-by-extension-in-template-map-generator' into develop

Close #6930
create a new file if mode is append and the file does not exist
Merge branch 'feature/#6934-create-file-when-appending-on-non-existing-file-in-templatemap-generator' into develop

Close #6934
Fixes #6647
updated test case to fit with set error self::NOT_FLOAT
#6647 #6648 - minor CS fixes (spacing)
#6647 #6648 - adding `@group` annotation referencing the open pull request
Merge branch 'hotfix/#6648-#6647-zend-i18n-validator-float-not-float-error-message'

Close #6648
Close #6647
Merge branch 'hotfix/#6648-#6647-zend-i18n-validator-float-not-float-error-message' into develop

Close #6648
Close #6647
Forward port #6648
Forward port #6647
Update Hostname.php

Updated list of TLD's
Update Hostname.php

Separated out to one per line. 
You might want to check the special character ones as they are fiddly.

Thanks,

Rick.
Merge branch 'hotfix/#6937-update-allowed-hostname-tlds'

Close #6937
Merge branch 'hotfix/#6937-update-allowed-hostname-tlds' into develop

Close #6937
Forward port #6937
#6937 - removing tabs and fixing syntax error