* Changed rwcats table to reportwriter_categories

* Moved XHTML styles into styles.tt2
* Moved company details on each page into companydetails.tt2

* Updated requirements
* Updated TODO

* Added support for client account transactions

* Created template dir

* CREDIT NOTES: Fixed problem where entire invoice amount was allocated no matter what the credit note amount was

* Added some functions to help with reporting and getting account balances

* Added the rest of the report writer code & description return
* Updated TODO with reporting

- Added support for end date and optional bbf
- Added support to Clients & Suppliers for end date and optional bbf
- Force bbf for Statements