Add Macros for SNMP Messages Sizes
Unfied Memory Service name for all packs
Add Disks plugin for VM via vCenter

Need to add script in shinken archives website
Hacmp : Add Host Macro for SNMP Community
Safekit : Add Host Macro for SNMP Community
Missing arguiment to Windows Command
Add Vcenter Template

Especially to check Datastores usage
Fix Typo in command definition
Merge branch 'devel-packs' of https://github.com/DessaiImrane/shinken into DessaiImrane-devel-packs
Merge branch 'DessaiImrane-devel-packs' into devel