* "start date" and "% done" fields added on issues
* project calendar added
* gantt chart added (exportable to pdf)
* multiple file upload for issues attachments
* user custom field displayed on account/show
* default configuration improved (default roles, trackers, status, permissions and workflows)
* fixed: project settings now displayed according to user's permissions

git-svn-id: https://svn.redmine.org/redmine/trunk@44 e93f8b46-1217-0410-a6f0-8f06a7374b81