Added new task execution fields to the fixture entity.

AFDP-145
Added new fields to the two fixture models.

AFDP-145
Added new task execution status used by fixture entity.

AFDP-145
Added population of task execution fields for the model.

AFDP-145
Code cleanup.

AFDP-145
Added new notification type for fixture task execution.

AFDP-146
Updated command to set task execution fields and send notification.

AFDP-146
Added fixture task columns to fixtures display

AFDP-147
Added event handler to receive and handle TASK_EVENT UI events

AFDP-147
Had to create main/resources, test/(java|resources) b/c eclipse is dumb
Update view based on a task event being received

AFDP-147
Removed usage of deprecated JUnit import
Updates to functional tests to work with new task columns

AFDP-147
Merge pull request #50 from ualerts-org/AFDP-130

Afdp 130