Fixes + API 16 support

app/src/main/res/drawable/ic_insert_photo_black_24dp.xml

@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportHeight="24.0"
-    android:viewportWidth="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M21,19V5c0,-1.1 -0.9,-2 -2,-2H5c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2zM8.5,13.5l2.5,3.01L14.5,12l4.5,6H5l3.5,-4.5z" />
-</vector>

app/src/main/res/values/keys.xml

@@ -48,8 +48,6 @@
     <string name="pref_download_only_over_wifi_key">pref_download_only_over_wifi_key</string>
     <string name="pref_remove_after_marked_as_read_key">pref_remove_after_marked_as_read_key</string>
     <string name="pref_category_remove_after_read_key">pref_category_remove_after_read_key</string>
-    <string name="pref_notifications_single_page_key">notifications_single_page</string>
-    <string name="pref_notifications_manga_download_key">notifications_manga_download</string>
     <string name="pref_last_used_category_key">last_used_category</string>
 
     <string name="pref_source_languages">pref_source_languages</string>

app/src/main/res/values/strings.xml

@@ -267,11 +267,6 @@
     <string name="status">Status</string>
     <string name="chapters">Chapters</string>
 
-    <!-- Reader Activity -->
-    <string name="custom_filter">Custom filter</string>
-    <string name="save_page">Download page</string>
-    <string name="set_as_cover">Set as cover</string>
-    <string name="cover_updated">Cover updated</string>
     <!-- Dialog remove recently view -->
     <string name="dialog_remove_recently_description">This will remove the read date of this chapter. Are you sure?</string>
     <string name="dialog_remove_recently_reset">Reset all chapters for this manga</string>
@@ -279,6 +274,7 @@
     <!-- Image notifier -->
     <string name="picture_saved">Picture saved</string>
     <string name="saving_picture">Saving picture</string>
+    <string name="options">Options</string>
 
     <!-- Reader activity -->
     <string name="custom_filter">Custom filter</string>
@@ -315,6 +311,7 @@
     <string name="notification_no_new_chapters">No new chapters found</string>
     <string name="notification_new_chapters">New chapters found for:</string>
     <string name="notification_manga_update_failed">Failed to update manga:</string>
+    <string name="notification_cover_update_failed">Failed to update cover</string>
     <string name="notification_first_add_to_library">Please add the manga to your library before doing this</string>
     <string name="notification_not_connected_to_ac_title">Sync canceled</string>
     <string name="notification_not_connected_to_ac_body">Not connected to AC power</string>