Reorganize layouts by feature

app/src/main/java/eu/kanade/tachiyomi/ui/download/DownloadAdapter.kt

@@ -54,7 +54,7 @@ class DownloadAdapter : RecyclerView.Adapter<DownloadHolder>() {
      * @return a new view holder for a manga.
      */
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): DownloadHolder {
-        val view = parent.inflate(R.layout.item_download)
+        val view = parent.inflate(R.layout.download_item)
         return DownloadHolder(view)
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/download/DownloadController.kt

@@ -8,7 +8,7 @@ import eu.kanade.tachiyomi.data.download.DownloadService
 import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.ui.base.controller.NucleusController
-import kotlinx.android.synthetic.main.activity_download_manager.view.*
+import kotlinx.android.synthetic.main.download_controller.view.*
 import rx.Observable
 import rx.Subscription
 import rx.android.schedulers.AndroidSchedulers
@@ -41,7 +41,7 @@ class DownloadController : NucleusController<DownloadPresenter>() {
     }
 
     override fun inflateView(inflater: LayoutInflater, container: ViewGroup): View {
-        return inflater.inflate(R.layout.activity_download_manager, container, false)
+        return inflater.inflate(R.layout.download_controller, container, false)
     }
 
     override fun createPresenter(): DownloadPresenter {

app/src/main/java/eu/kanade/tachiyomi/ui/download/DownloadHolder.kt

@@ -3,11 +3,11 @@ package eu.kanade.tachiyomi.ui.download
 import android.support.v7.widget.RecyclerView
 import android.view.View
 import eu.kanade.tachiyomi.data.download.model.Download
-import kotlinx.android.synthetic.main.item_download.view.*
+import kotlinx.android.synthetic.main.download_item.view.*
 
 /**
  * Class used to hold the data of a download.
- * All the elements from the layout file "item_download" are available in this class.
+ * All the elements from the layout file "download_item" are available in this class.
  *
  * @param view the inflated view for this holder.
  * @constructor creates a new download holder.