Projects:Ability to Calculate Projects without opening Gantt, Ask if Milestones should be changed
Merge branch 'master' of lists.free-erp.de:promet

Conflicts:
	promet/source/promet.erp/prometerp.lpi
Statistics:call Statistics in separate connection
Documents:show message on error during checkin
Tasks:start Timeentry correct
Wiki:fix statistic dont exists / not accessable
Gantt:fix hint for close Window