- Rewrote Category to Kotlin

- Moved category to ui
- Reworked Animation (smoother)
- Updated TextDrawable

app/src/main/java/eu/kanade/tachiyomi/util/ViewGroupExtensions.kt

@@ -0,0 +1,15 @@
+package eu.kanade.tachiyomi.util
+
+import android.support.annotation.LayoutRes
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+
+/**
+ * Extension method to inflate a view directly from its parent.
+ * @param layout the layout to inflate.
+ * @param attachToRoot whether to attach the view to the root or not. Defaults to false.
+ */
+fun ViewGroup.inflate(@LayoutRes layout: Int, attachToRoot: Boolean = false): View {
+    return LayoutInflater.from(context).inflate(layout, this, attachToRoot)
+}