Several modifications ...

1/ Fix Acknowledge / Downtime management problem with Shinken 1.4
2/ Authorizes to associate a Ticket to a Downtime
3/ Authorizes to create a Ticket for End paper prediction
Fix display problem for Counter profile right
WS testing script modified

- XMLRPC or REST
- added request duration in seconds
WS testing scripts - added logs
WS tests improvements

Command line parameters :
- host address
- verbose mode
- max records per request
Host daily counters page

Negative counters and threshold detection only if profile right is W
More information in end paper detection if profile right is W
Add entity name in host daily counters table
Improve daily counters table request/search
Fix remaining log in pm.log
Improve WS
Comment fo unavailability
Fix host daily counters bug :

- include/exclude WE from end paper prediction
- update initial today/total values in check counters function
- fix missed paper replacement
Fix paper printer and replaced same day
Improve WS test module
Counters name for translation
Remove unavailability computation from logs cleaning
Update traductio
Fix small computation bug

When printer and paper changed the same day ... do not compute twice for
pages printed today.
Fix double count for very first day ...
Improve WS method names