add the new table to the .sql scripts.

Closes #32 (closed)

src/main/java/cz/muni/ics/kypo/training/adaptive/domain/ParticipantTaskAssignment.java

+package cz.muni.ics.kypo.training.adaptive.domain;
+
+import cz.muni.ics.kypo.training.adaptive.domain.phase.AbstractPhase;
+import cz.muni.ics.kypo.training.adaptive.domain.phase.Task;
+import cz.muni.ics.kypo.training.adaptive.domain.training.TrainingRun;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@Entity
+@Table(name = "participant_task_assignment")
+public class ParticipantTaskAssignment implements Serializable {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "participantTaskAssignmentGenerator")
+    @SequenceGenerator(name = "participantTaskAssignmentGenerator", sequenceName = "participant_task_assignment_seq")
+    @Column(name = "participant_task_assignment_id", nullable = false, unique = true)
+    private Long id;
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "phase_id")
+    private AbstractPhase abstractPhase;
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "task_id")
+    private Task task;
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "training_run_id")
+    private TrainingRun trainingRun;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public AbstractPhase getAbstractPhase() {
+        return abstractPhase;
+    }
+
+    public void setAbstractPhase(AbstractPhase abstractPhase) {
+        this.abstractPhase = abstractPhase;
+    }
+
+    public Task getTask() {
+        return task;
+    }
+
+    public void setTask(Task task) {
+        this.task = task;
+    }
+
+    public TrainingRun getTrainingRun() {
+        return trainingRun;
+    }
+
+    public void setTrainingRun(TrainingRun trainingRun) {
+        this.trainingRun = trainingRun;
+    }
+
+    @Override
+    public String toString() {
+        return "ParticipantTaskAssignment{" +
+                "id=" + id +
+                '}';
+    }
+}