Added 'Transactions in MySQL' section to docs/transactions.txt
Added 'Transactions in MySQL' section to docs/transactions.txt

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@3436 bcc190cf-cafb-0310-a4f2-bffc1f526a37

FlaPer87/django-nonrel,FlaPer87/django-nonrel,aparo/django-nonrel,FlaPer87/django-nonrel,aparo/django-nonrel,aparo/django-nonrel