[m0001383] TimeTracking: combobox 'durÃ©e' configurable

Nouvel onglet "Duration" dans le module "Admin/Edit Team"

Conflicts:
	classmap.ser
[m0001383] TimeTracking: combobox 'durée' configurable

Liste de durées par défault définie dans le fichier config.ini
[m0000894]: Absences: donner la possibilité de siasir des absences périodiques

Vincent Morello
Merge pull request #379 from kaiyue/duration2

[m0001383] TimeTracking: combobox 'duree' configurable
[m0001433] Exception si supression projet mantis

backlog obsolète
make use of Config::getValue($id, $arr_subid=NULL, $isQuiet=NULL)
Correction : Drag&Drop Dialog - ProjectFilters / IssueTooltipFields
Correction timetracking duration
cosmetic
FIX task_duration_list
FIX deadline -> dealLine

regression
m646 relationships in issueInfo (not yet finished)
m646 relationships : method for tab from tools to issue_info_tools
m646_relationships :
update buildTab method for display :
workaround deleted
URL method called for first arg (issue ID)
Table relationships hide if empty
[m000646] FIX relationships

- 2500 & 2501 not reported or wrong
- code cleanup
- perf
code cleanup: remove unused qsort()
m1372_no_login_if_disabled : add enabled = 1 in login query
[m0001385] FIX timetracking: remove alert if today not set
[m000646] FIX relationships
[m0001441] GANTT wrong arrows for constrains relationships