Merge pull request #585 from noudess/master

Use languages when reading books that are in a language other than common.

utils/sql/git/required/2017_01_10_book_languages.sql

@@ -0,0 +1,15 @@
+alter table books add language int default 0;
+
+drop table reading_is_fundamental;
+
+create table reading_is_fundamental
+(
+filename varchar(32),
+language int
+);
+
+insert into reading_is_fundamental (select items.filename, items.booktype from items where items.filename  != "" group by filename);
+
+update books set books.language = (select language from reading_is_fundamental r where r.filename = books.name);
+
+drop table reading_is_fundamental;