Merge pull request #22 from SRSoftware/timetrack-task-selection

Merged for 1.2. Needs testing and a bit of refactoring.
Merge pull request #23 from SRSoftware/timetrack-task-selection

jup muss das eh noch testen :)
implemented start date for milestones
implemented new milestones structure

will now be displayed in late / curren / upcoming subtables
refactoring
more tree work
refactor tree
more refactor
removed basecamp import

see https://github.com/philippK-de/Collabtive/issues/2
changelog
removed links to the my-x blocks on the desktop
changelog
implemented asynchronous deleting of milestones
comment work

and removal of dead code in managemilestone.php
comment work

and removal of dead code
implemented asyncronous closing of milestones
remove dead code
serve js val as .js instead of .php
remove php stuff from jsval
template sync