made HabitData data class

custom toString, equals and hashCode not need as data class already implements it (all properties involved as it was before), also removed dependency of EqualsBuilder and HashCodeBuilder
default constructor made with default parameters
copy-constructor replaced by data class .copy()

android/uhabits-core/src/main/java/org/isoron/uhabits/core/models/Habit.kt

@@ -19,8 +19,6 @@
 
 package org.isoron.uhabits.core.models
 
-import org.apache.commons.lang3.builder.EqualsBuilder
-import org.apache.commons.lang3.builder.HashCodeBuilder
 import org.apache.commons.lang3.builder.ToStringBuilder
 import org.isoron.uhabits.core.models.Checkmark.UNCHECKED
 import org.isoron.uhabits.core.utils.StringUtils.defaultToStringStyle
@@ -189,7 +187,7 @@ class Habit {
     }
 
     internal constructor(factory: ModelFactory, data: HabitData) {
-        this.data = HabitData(data)
+        this.data = data.copy()
         checkmarks = factory.buildCheckmarkList(this)
         streaks = factory.buildStreakList(this)
         scores = factory.buildScoreList(this)
@@ -213,7 +211,7 @@ class Habit {
      */
     @Synchronized
     fun copyFrom(model: Habit) {
-        this.data = HabitData(model.data)
+        this.data = model.data.copy()
         observable.notifyListeners()
     }
 
@@ -239,117 +237,26 @@ class Habit {
     }
 
     fun getData(): HabitData {
-        return HabitData(data)
+        return data.copy()
     }
 
     fun setPosition(newPosition: Int) {
         data.position = newPosition
     }
 
-    class HabitData {
-        var name: String
-
-        var description: String
-
-        var frequency: Frequency
-
-        var color: Int = 0
-
-        var archived: Boolean = false
-
-        var targetType: Int = 0
-
-        var targetValue: Double = 0.toDouble()
-
-        var type: Int = 0
-
-        var unit: String
-
-        var reminder: Reminder? = null
-
-        var position: Int = 0
-
-        constructor() {
-            this.color = 8
-            this.archived = false
-            this.frequency = Frequency(3, 7)
-            this.type = YES_NO_HABIT
-            this.name = ""
-            this.description = ""
-            this.targetType = AT_LEAST
-            this.targetValue = 100.0
-            this.unit = ""
-            this.position = 0
-        }
-
-        constructor(model: HabitData) {
-            this.name = model.name
-            this.description = model.description
-            this.frequency = model.frequency
-            this.color = model.color
-            this.archived = model.archived
-            this.targetType = model.targetType
-            this.targetValue = model.targetValue
-            this.type = model.type
-            this.unit = model.unit
-            this.reminder = model.reminder
-            this.position = model.position
-        }
-
-        override fun toString(): String {
-            return ToStringBuilder(this, defaultToStringStyle())
-                    .append("name", name)
-                    .append("description", description)
-                    .append("frequency", frequency)
-                    .append("color", color)
-                    .append("archived", archived)
-                    .append("targetType", targetType)
-                    .append("targetValue", targetValue)
-                    .append("type", type)
-                    .append("unit", unit)
-                    .append("reminder", reminder)
-                    .append("position", position)
-                    .toString()
-        }
-
-        override fun equals(o: Any?): Boolean {
-            if (this === o) return true
-
-            if (o == null || javaClass != o.javaClass) return false
-
-            val habitData = o as HabitData?
-
-            return EqualsBuilder()
-                    .append(color, habitData!!.color)
-                    .append(archived, habitData.archived)
-                    .append(targetType, habitData.targetType)
-                    .append(targetValue, habitData.targetValue)
-                    .append(type, habitData.type)
-                    .append(name, habitData.name)
-                    .append(description, habitData.description)
-                    .append(frequency, habitData.frequency)
-                    .append(unit, habitData.unit)
-                    .append(reminder, habitData.reminder)
-                    .append(position, habitData.position)
-                    .isEquals
-        }
-
-        override fun hashCode(): Int {
-            return HashCodeBuilder(17, 37)
-                    .append(name)
-                    .append(description)
-                    .append(frequency)
-                    .append(color)
-                    .append(archived)
-                    .append(targetType)
-                    .append(targetValue)
-                    .append(type)
-                    .append(unit)
-                    .append(reminder)
-                    .append(position)
-                    .toHashCode()
-        }
-    }
+    data class HabitData(
+            var name: String = "",
+            var description: String = "",
+            var frequency: Frequency = Frequency(3, 7),
+            var color: Int = 8,
+            var archived: Boolean = false,
+            var targetType: Int = AT_LEAST,
+            var targetValue: Double = 100.0,
+            var type: Int = YES_NO_HABIT,
+            var unit: String = "",
+            var reminder: Reminder? = null,
+            var position: Int = 0
+    )
 
     override fun toString(): String {
         return ToStringBuilder(this, defaultToStringStyle())