fixup! Refactor: move package and classes: *OAuthSession <- *Media_providerOAuthSession
fixup! *SearchResult classes have their own package ("search_result") and files
BugFix: Delete duplicated def
Fix val types (and rename accordingly); organize imports
Make parameters' names more general
Make parameters' names more general; correct names for some vals and methods
BugFix: use correct import
BugFix: correct *LookupService constructor parameters
Remove "license" parameter from "getSearchResponse" method
Move "getSearchResponse" method back to "FlickrOAuthSession" class
BugFix: correct imports