Modularized ConfigManager::parse() into multiple helper methods.  Support multiple data source configuration file settings with individual core specific settings.  Replaced references to ConfigManager with CoreInfo_t to provide core-specific settings to rest of search system, including providing relay functions to access singleton configuration settings.  Successful smoke test of a single DEFAULT core.
Modularized ConfigManager::parse() into multiple helper methods.  Support multiple data source configuration file settings with individual core specific settings.  Replaced references to ConfigManager with CoreInfo_t to provide core-specific settings to rest of search system, including providing relay functions to access singleton configuration settings.  Successful smoke test of a single DEFAULT core.

SRCH2/srch2-ngn,SRCH2/srch2-ngn,SRCH2/srch2-ngn,SRCH2/srch2-ngn,SRCH2/srch2-ngn,SRCH2/srch2-ngn,SRCH2/srch2-ngn