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

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%403436

adieu/django-nonrel,adieu/django-nonrel,adieu/django-nonrel