Add pom.xml
Add Model class
Add Account, Credential and User class with no HTTP request.
Add Resource, Action and Permission model class
Add Application and Client class
Add Service and Connection class
Modify Connection definition
Implement Credential#getByConnectionIdAndSecretService method
Add maven-site-plugin
Modify serviceSecret key
divided model's connection and parse implemention
implement api method to Model
Implement custom HttpRequestBase subclass and put entity in DELETE request
Remove parse process in ModelHttpClient
Remove version arguments in ModelHttpClient
Rename ModelHttpClient to HttpClient
Modify interface of model classes
Add Session model
Fix return type of Model methods
Implement GrowthbeatException class