Fix #61 by eagerly fetch categories

Merge branch 'iss61-product-categories-lazy-init'
Minor Changes: ProductDetails Layout

Merge branch 'develop'
Externalize RMI URL setting

Merge branch 'develop'
Show dialogs with respect to their source

Merge branch 'develop'
Resize and Place SubTaskPane in Center

Merge branch 'develop'
Add "Create and List Vendor" func with new MVC workflow

Merge branch 'develop'
Add Customer CRUD func

Merge branch 'develop'
Add basic Transaction entities

OPEN - task 79: Create Party Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/79
Reference to transactions

OPEN - task 79: Create Party Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/79
Create Account Repositories

OPEN - task 79: Create Party Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/79
Add Account services

OPEN - task 79: Create Party Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/79
Apply Nimbus LAF

Merge branch 'develop'
Add MappedSuperClass Business

OPEN - task 86: Create Business(Sales-Purchases) Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/86
Add Sale & Purchase

OPEN - task 86: Create Business(Sales-Purchases) Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/86
Make reference to Business

OPEN - task 86: Create Business(Sales-Purchases) Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/86
Add bare BusinessDesc components

OPEN - task 86: Create Business(Sales-Purchases) Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/86
Validate BusinessDesc and DescRow relationship

OPEN - task 86: Create Business(Sales-Purchases) Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/86
Impl id() and toString()

OPEN - task 86: Create Business(Sales-Purchases) Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/86
Make Party attribute in MappedSuperClass

OPEN - task 86: Create Business(Sales-Purchases) Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/86
Remove obsolete code

OPEN - task 86: Create Business(Sales-Purchases) Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/86