* task: move ChangeLog from documentation to ChangeLog text file
* task: display closed tickets with a gray icon instead of orange in overview list mode
* feature: external observers. Each ticket can have external observers (email addresses), email notifications will be sent to those email addresses, although those observers will not have access to edit the tickets.

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/ke_troubletickets/trunk@81756 735d13b6-9817-0410-8766-e36946ffe9aa
update version number

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/ke_troubletickets/trunk@81758 735d13b6-9817-0410-8766-e36946ffe9aa
set dependencies

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/ke_troubletickets/trunk@81759 735d13b6-9817-0410-8766-e36946ffe9aa