More removal of now unused location set parameter from functions
Fixed naming of constructor function
Removed code that previously expanded keyword sets to new searches

-- Removed code that previously expanded keyword sets to new searches.
See previous checkins regarding that code moving to Config

-- More removal of now unused location set parameter from functions
Config now correctly expands keywords set into multiple searches if needed

-- Config now correctly expands keywords set into multiple searches if
needed
-- New values in config_settings: included_sites and excluded_sites.
Used for keyword/search generation.  Still need to add global excluded
sites to the ini file for all searches.
-- More removal of now unused location set parameter from functions