We now use CMAKE_CXX_FLAGS_DEBUG, otherwise it wasn't possible to build a release build.
Refactored config.xml and added a syshealth section to observer
The mailer can now get the system name using getenv
Monitorworker will now send a system health mail every x days. This feature can be turned off via configuration file.

Signed-off-by: Christian Rapp <crappbytes@gmail.com>