Close #4813

As is not the branch develop, instead of transifex, we use GIT

Conflicts:
	htdocs/core/class/html.formprojet.class.php

remove around 50 duplicates.

modules

Fix: visible list of tasks are for opened project only.

combo lists of elements to link to project.

consumed by users. Each time a user enter its time consumed on a
project, a calculation is done to provide the cost for human services.
This value appears into the "Transversal view" of project.

Fix lang in en_us

user making timesheet into timesheet pages.
NEW: Can enter start hours of task when creating timesheet

Fix bad merge