qx → utility Relation

File in lib/sql/include/qx	Includes file in lib/utility
sql / qx-sqlinlines.h	include / qx / utility / qx-typetraits.h
sql / qx-sqlquery.h	include / qx / utility / qx-macros.h
sql / qx-sqlstring.h	include / qx / utility / qx-concepts.h