Added Saikou theme (#40)

* Update colors.xml

* Update themes.xml

* Update themes.xml

* Update ThemeManager.kt

* Update ThemeManager.kt

* Update ThemeManager.kt

* Update ThemeManager.kt

* Update DevelopersDialogFragment.kt

* Update activity_main.xml

* Update item_anime_page.xml

* Update item_manga_page.xml

* Update fragment_login.xml

* Update activity_media.xml

* Update activity_media.xml

* Update item_anime_page.xml

* Update item_manga_page.xml

* Update themes.xml

* Update themes.xml

* Update exo_player_control_view.xml

* Update activity_author.xml

* Update activity_studio.xml

* Update activity_manga_reader.xml

* Update activity_novel_reader.xml

* Update activity_media.xml

Fix

* Update tab_layout_icon.xml

* Update activity_media.xml

* Update activity_media.xml

* Update tab_layout_icon.xml

Changed selected layout icon from primary to secondary

* Update activity_list.xml

* Update ListActivity.kt

Unbound listTabLayout, listAppBar and listTitle because it stopped color reallocation

* Update CalendarActivity.kt

Unbound listTabLayout, listAppBar and listTitle because it stopped color reallocation

* Update button_switch_track.xml

* Update CalendarActivity.kt

Undo

* Update ListActivity.kt

Undo

* Update CalendarActivity.kt

* Update ListActivity.kt

* Update ListActivity.kt

* Update CalendarActivity.kt (Saikou theme complete!)

I'll just need to check for bugs and request to merge

* Update ThemeManager.kt

Took Sakiou theme out of beta

* Update tab_layout_icon.xml

Changes to media tabs (less accurate to Saikou but selected menu is more vibrant and supports other themes better)

* Update activity_media.xml

Changes to media tabs (less accurate to Saikou but selected menu is more vibrant and supports other themes better)

* Update activity_media.xml

Changes to media tabs (less accurate to Saikou but selected menu is more vibrant and supports other themes better)

* Update control_background_40dp.xml

* Update build.gradle

Changed version number

app/src/main/res/drawable/control_background_40dp.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <ripple xmlns:android="http://schemas.android.com/apk/res/android"
-    android:color="?attr/colorSecondaryContainer"
-    android:radius="20dp" />
+    android:color="?attr/colorPrimary"
+    android:radius="20dp" />