Added forgotten "()" to function call.
Fixed duplicate "type" under db_backend_config config set.
Also fixed undeclared db_backend_config
Merge pull request #174 from Astron/config-check-fix

Added forgotten "()" to function call.
Fix ConfigVariable.h to support gcc-4.6 (ships with Ubuntu 12.10).
Merge pull request #175 from Astron/config-gcc-4.6-fix

Fix ConfigVariable.h to support gcc-4.6 (ships with Ubuntu 12.10).
Merge branch 'master' into dclass-rewrite
dclass: Update Soci for dclass changes.