- add B8 libary for SPAM protection
- add CSRF Token to form element
- created new table `akismet_rating`
- transfered `spam` and `spam_check_status` from entry table
- removed columns `spam` and `spam_check_status` as they are akismet specific columns from entry - - created b8 tables `b8_rating` and `b8_wordlist_table`
- changed SQL statements, which used the (old) `spam` column
- updated install-script
- changed phrases and flag someone for delete
- add B8 configuration to admin area
- clean code
- removed spam columns from backup procedure
- new tables are *NOT* included to the backup procedure because I prefer to remove this function
- added error message for wrong SQLs
- https://github.com/ilosuna/mylittleforum/issues/426
