EHN: Add new base schema (db_5_0.sql) for installation

Makefile

db_2_0.sql

db_5_0.sql

patches/patch20201110-4.0.0-rc1/update_archive_isa.sql

procedures/deleteEntity.sql

procedures/deleteEntityProperties.sql

procedures/deleteIsaCache.sql

procedures/entityACL.sql

procedures/entityVersioning.sql

procedures/getDependentEntities.sql

procedures/getFileIdByPath.sql

procedures/getInfo.sql

procedures/getRole.sql

procedures/initAutoIncrement.sql

procedures/insertEntity.sql

procedures/insertEntityProperty.sql

procedures/insertIsaCache.sql

procedures/insertLinCon.sql

procedures/insertUser.sql

procedures/isSubtype.sql