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'
Create Address/Contact entity func

Merge branch 'iss79-party-module' into develop
Add "List Vendors" func

Merge branch 'iss79-party-module' into develop
Add "Create and List Vendor" func with new MVC workflow

Merge branch 'develop'
Add "Create" & "List" func for Customers

Merge branch 'iss79-party-module' into 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
Set Nimbus Look and Feel

OPEN - task 79: Create Party Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/79
Set Nimbus as LAF for Client-App

Merge branch 'set-nimbux-laf' into develop
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