use nicer UI element names

src/main/java/com/owncloud/android/ui/adapter/UserListAdapter.java

@@ -323,11 +323,11 @@ public class UserListAdapter extends RecyclerView.Adapter<UserListAdapter.UserVi
     }
 
     class UserViewHolder extends RecyclerView.ViewHolder {
-        @BindView(R.id.userIcon)
+        @BindView(R.id.avatar)
         ImageView avatar;
-        @BindView(R.id.userOrGroupName)
+        @BindView(R.id.name)
         TextView name;
-        @BindView(R.id.allow_editing)
+        @BindView(R.id.allowEditing)
         AppCompatCheckBox allowEditing;
         @BindView(R.id.editShareButton)
         ImageView editShareButton;

src/main/res/layout/file_details_share_user_item.xml

@@ -26,7 +26,7 @@
     tools:ignore="UseCompoundDrawables">
 
         <ImageView
-            android:id="@+id/userIcon"
+            android:id="@+id/avatar"
             android:layout_width="@dimen/user_icon_size"
             android:layout_height="@dimen/user_icon_size"
             android:layout_gravity="center_vertical"
@@ -40,7 +40,7 @@
             android:src="@drawable/ic_user" />
 
         <TextView
-            android:id="@+id/userOrGroupName"
+            android:id="@+id/name"
             android:layout_width="0dp"
             android:layout_height="match_parent"
             android:layout_marginEnd="@dimen/standard_quarter_margin"
@@ -54,7 +54,7 @@
             android:textSize="@dimen/file_details_username_text_size" />
 
         <android.support.v7.widget.AppCompatCheckBox
-            android:id="@+id/allow_editing"
+            android:id="@+id/allowEditing"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"