Merge branch 'master' into Develop

# Conflicts:
#	cps/book_formats.py
#	cps/static/css/style.css
#	cps/static/js/uploadprogress.js
#	cps/templates/author.html
#	cps/templates/detail.html
#	cps/templates/discover.html
#	cps/templates/index.html
#	cps/templates/layout.html
#	cps/templates/osd.xml
#	cps/templates/search.html
#	cps/templates/shelf.html
#	cps/translations/de/LC_MESSAGES/messages.mo
#	cps/translations/de/LC_MESSAGES/messages.po
#	cps/web.py
#	messages.pot

cps/ub.py

@@ -371,6 +371,7 @@ class Settings(Base):
     config_calibre_web_title = Column(String, default=u'Calibre-Web')
     config_books_per_page = Column(Integer, default=60)
     config_random_books = Column(Integer, default=4)
+    config_authors_max = Column(Integer, default=0)
     config_read_column = Column(Integer, default=0)
     config_title_regex = Column(String, default=u'^(A|The|An|Der|Die|Das|Den|Ein|Eine|Einen|Dem|Des|Einem|Eines)\s+')
     config_log_level = Column(SmallInteger, default=logging.INFO)
@@ -446,6 +447,7 @@ class Config:
         self.config_calibre_web_title = data.config_calibre_web_title
         self.config_books_per_page = data.config_books_per_page
         self.config_random_books = data.config_random_books
+        self.config_authors_max = data.config_authors_max
         self.config_title_regex = data.config_title_regex
         self.config_read_column = data.config_read_column
         self.config_log_level = data.config_log_level
@@ -637,6 +639,12 @@ def migrate_Database():
         conn = engine.connect()
         conn.execute("ALTER TABLE Settings ADD column `config_default_role` SmallInteger DEFAULT 0")
         session.commit()
+    try:
+        session.query(exists().where(Settings.config_authors_max)).scalar()
+    except exc.OperationalError:  # Database is not compatible, some rows are missing
+        conn = engine.connect()
+        conn.execute("ALTER TABLE Settings ADD column `config_authors_max` INTEGER DEFAULT 0")
+        session.commit()
     try:
         session.query(exists().where(BookShelf.order)).scalar()
     except exc.OperationalError:  # Database is not compatible, some rows are missing