Convert Score and eliminate old Contest setters

app/src/main/java/io/intrepid/contest/models/Contest.kt

@@ -61,16 +61,6 @@ open class Contest {
             description = `in`.readString()
         }
 
-        fun setTitle(title: String): Builder {
-            this.title = title
-            return this
-        }
-
-        fun setDescription(description: String): Builder {
-            this.description = description
-            return this
-        }
-
         fun build(): Contest {
             if (creationDate == null) {
                 creationDate = Date()

app/src/main/java/io/intrepid/contest/models/Score.kt

@@ -0,0 +1,28 @@
+package io.intrepid.contest.models
+
+import com.google.gson.annotations.SerializedName
+
+import java.util.UUID
+
+class Score(category: Category, score: Int) {
+    var scoreValue: Int = 0
+        internal set
+    @SerializedName("scoring_category_id")
+    private val categoryId: UUID?
+    @Transient val categoryName: String?
+    @Transient val categoryDescription: String?
+
+    init {
+        this.categoryId = category.id
+        this.categoryName = category.name
+        this.categoryDescription = category.description
+        this.scoreValue = score
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (other !is Score) {
+            return false
+        }
+        return scoreValue == other.scoreValue
+    }
+}