Fix : Changelog time for 1.4 release.
Fix: Use an optimal index
Merge pull request #869 from jccomputing/fixes

MongoDB logstore index is suboptimal
Add Oracle Server install support for 5.x and 6 to 6.4
Merge pull request #870 from nerocide/OracleEnterpriseInstallSupport

Add Oracle Server install support for 5.x and 6 to 6.4
Add check_db2_health plugin support in install script
Add DB2 pack in shinken 1.4 style (aggregate stuff...)
Merge pull request #871 from nerocide/check_db2_health

Check_db2_health support
Merge pull request #1 from naparuba/master

Merge from head