Translation of UI (german and english)

Bugfix for feeds
    - removed categories related and up
    - load new books now working
    - category random now working
login page is free of non accessible elements
boolean custom column is vivible in UI
books with only with certain languages can be shown
book shelfs can be deleted from UI
Anonymous user view is more resticted
Added browse of series in sidebar
Dependencys in vendor folder are updated to newer versions (licencs files are now present)
Bugfix editing Authors names
Made upload on windows working

vendor/flask/views.py

@@ -5,7 +5,7 @@
 
     This module provides class-based views inspired by the ones in Django.
 
-    :copyright: (c) 2011 by Armin Ronacher.
+    :copyright: (c) 2015 by Armin Ronacher.
     :license: BSD, see LICENSE for more details.
 """
 from .globals import request
@@ -48,7 +48,7 @@ class View(object):
     generated view function!
     """
 
-    #: A for which methods this pluggable view can handle.
+    #: A list of methods this view can handle.
     methods = None
 
     #: The canonical way to decorate class-based views is to decorate the
@@ -60,7 +60,7 @@ class View(object):
     #: view function is created the result is automatically decorated.
     #:
     #: .. versionadded:: 0.8
-    decorators = []
+    decorators = ()
 
     def dispatch_request(self):
         """Subclasses have to override this method to implement the
@@ -89,7 +89,7 @@ class View(object):
             for decorator in cls.decorators:
                 view = decorator(view)
 
-        # we attach the view class to the view function for two reasons:
+        # We attach the view class to the view function for two reasons:
         # first of all it allows us to easily figure out what class-based
         # view this thing came from, secondly it's also used for instantiating
         # the view class so you can actually replace it with something else
@@ -111,9 +111,9 @@ class MethodViewType(type):
             for key in d:
                 if key in http_method_funcs:
                     methods.add(key.upper())
-            # if we have no method at all in there we don't want to
+            # If we have no method at all in there we don't want to
             # add a method list.  (This is for instance the case for
-            # the baseclass or another subclass of a base method view
+            # the base class or another subclass of a base method view
             # that does not introduce new methods).
             if methods:
                 rv.methods = sorted(methods)
@@ -141,8 +141,8 @@ class MethodView(with_metaclass(MethodViewType, View)):
     """
     def dispatch_request(self, *args, **kwargs):
         meth = getattr(self, request.method.lower(), None)
-        # if the request method is HEAD and we don't have a handler for it
-        # retry with GET
+        # If the request method is HEAD and we don't have a handler for it
+        # retry with GET.
         if meth is None and request.method == 'HEAD':
             meth = getattr(self, 'get', None)
         assert meth is not None, 'Unimplemented method %r' % request.method