Added the ability to hide service in problems view

If both an host/service instance has the `hide_in_ui_problems` flag set and a
user has the `hide_ui_problems` flag set, the host/service is hidden to the
user in the webui problems view, even if he's set as contact to this
host/service.

This allows to hide services in the ui but continue to receive
notifications.
Fixed contact groups explode whith multival cgroup
Fixed default template notification options.
Rename tests to skip them. They need to be moved/deleted
Merge pull request #1026 from geektophe/fix_deflt_tpl_notif_options

FIX: Fixed default template notification options.
Merge pull request #1025 from geektophe/fix_multivalue_contact_group

FIX: Fixed contact groups explode whith multival cgroup
fixes error message grammar
Refactor and finalize code on service_dependency_mapping.py plugin.
Merge branch 'master' into sydel
Add signature in service_dependency_mappingp.py
Add signature in service_dependency_mappingp.py
Merge pull request #1032 from xorpaul/err_msg

fixes error message grammar
Merge pull request #1024 from geektophe/hide_svc_problems

Added the ability to hide service in problems view
del useless files
Updated pack-weblogic
Fix: remove nls_date_lang optional parameter and use the default from db in alertlog.sql script
Merge branch 'master' into sydel
Updated pack-oracle-forms
Revert "Merge pull request #1024 from geektophe/hide_svc_problems"

This reverts commit 720fe53147776bc4a8bcf21975ab504a8fb9c229, reversing
changes made to 46ade2b57c5003a9fd4f73951cc97d08cead6962.
Fix: srv hot dep plugin wrong var assignment causing too much imbrication and incompatible json format