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
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
Add BusinessDesc attribute

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

OPEN - task 86: Create Business(Sales-Purchases) Module 
http://github.com/DevOpsDistilled/OpERP/issues/issue/86
Add SaleDescRow and PurchaseDescRow with argument
Use Generics for Entity attributes
Use Generics and Inheritance with entity attributes
Refactor Entities using Inheritance & Generics

Merge branch 'iss79-party-module' into develop
Make NavigationTree expand by default
Sync with origin/develop

Merge branch 'develop' of github.com:TheKojuEffect/OpERP into develop