sql_schemas: issue #100; rename blocks after table names

- Removed the 'name' parameter for all blocks, it's redundant now
Database: issue #100; remove 'name' from DB schema blocks
INIFile: close #100; change block ID to be block name

- Use the block ID for storing the name of that schema block, instead
  of having a separate 'name' parameter inside that block
sql_schemas: updated checksums