FindProcess caters array stucts

Merge pull request #11 from bigbank-as/feature/FIP-findProcess

Update findProcess to use array struct

Find process

Added method to find process by query

FindProcess(query string) ([]ProcessInstance, error)

Get process/task variables

Added 2 new methods to camunda client interface :

• GetProcessVariable(processId string, variableName string) (VariableResponse, error)
• GetTaskVariable(taskId string, variableName string) (VariableResponse, error)

Camunda client v0.3

Adding support for completing with new interface method:

CompleteTask(taskId string, request interface{}) (error)

Camunda client v0.2

Changes:
Added 2 new methods to camunda client interface :

GetNextTask(processId string) (Task, error)
GetAllTasks(processId string) ([]Task, error)

These methods should be used to retrieve next steps from camunda process.

Feature to start process in camunda

Merge pull request #2 from bigbank-as/feature/camunda-start-task

Change library namespace