minor
Merge branch 'wip' of github.com:micktaiwan/scpm
Done: holidays calendars
make missing task table sortable
Merge branch 'master' of https://github.com/Sof31t/scpm
display tasks in workload task selection list even if remaining = 0
big fix: nullify (not destroy) for projet.projects.delete
Merge mick
removing the projects.delete(p) when detecting a cirucular reference
Add: new/delete company / fix: opens
merging mick
Merge branch 'master' of https://github.com/micktaiwan/scpm
fix: projects circular references
Merge branch 'master' of https://github.com/micktaiwan/scpm
Add: companies filter | Fix: group_by export | Fix: add a person (project view)
Bug of history counters

Calcul the next counter value only with assigned (to request) history
counter.
Add: display all sdp tasks
Add: app/views/workloads/_sdp_task_options.erb
Merge branch 'master' of https://github.com/micktaiwan/scpm
in workloads, the error marging threshold between SDP remaining and planned total is now 90% instead of 80%