Optimizes all tables in the database and lists how much was saved.

• Optimizes all tables in the database and lists how much was saved.
• Requires the admin_forum permission.
• Uses the rawdata sub template (built in.)
• Shows as the maintain_forum admin area.
• Updates the optimize scheduled task such that the tables are not automatically optimized again too soon.
• Accessed from ?action=admin;area=maintain;sa=optimize.