Added polish in readme to supported UI languages

Handling of missing tags in fb import
naming of path is more imitating calibre (replacement of special characters, "pinyining" of author names if unidecode is available )
Sorting of authors (similar to calibre for jr./sr./I..IV endings)
bugfix pathseparator on windows and linux during upload
bugfix os.rename for authordir
publishing date on detailview is formated according to slected locale
filename on downloading from web ui is now correct displayed
added ids to html for testing

cps/translations/de/LC_MESSAGES/messages.po

@@ -81,7 +81,7 @@ msgstr "Beliebte Bücher (die meisten Downloads)"
 
 #: cps/web.py:813
 msgid "Best rated books"
-msgstr ""
+msgstr "Best bewertete Bücher"
 
 #: cps/templates/index.xml:36 cps/web.py:822
 msgid "Random Books"
@@ -94,7 +94,7 @@ msgstr "Autorenliste"
 #: cps/web.py:846
 #, python-format
 msgid "Author: %(name)s"
-msgstr ""
+msgstr "Autor: %(name)s"
 
 #: cps/web.py:848 cps/web.py:876 cps/web.py:975 cps/web.py:1216 cps/web.py:2103
 msgid "Error opening eBook. File does not exist or file is not accessible:"
@@ -143,7 +143,7 @@ msgstr "Server wird runtergefahren, bitte Fenster schließen"
 
 #: cps/web.py:1055
 msgid "Update done"
-msgstr ""
+msgstr "Update durchgeführt"
 
 #: cps/web.py:1128 cps/web.py:1141
 msgid "search"
@@ -470,11 +470,11 @@ msgstr "Stoppe Calibre-web"
 
 #: cps/templates/admin.html:81
 msgid "Check for update"
-msgstr ""
+msgstr "Suche nach Update"
 
 #: cps/templates/admin.html:82
 msgid "Perform Update"
-msgstr ""
+msgstr "Update durchführen"
 
 #: cps/templates/admin.html:93
 msgid "Do you really want to restart Calibre-web?"
@@ -584,7 +584,7 @@ msgstr "Öffentliche Registrierung aktivieren"
 
 #: cps/templates/config_edit.html:52
 msgid "Default Settings for new users"
-msgstr ""
+msgstr "Default Einstellungen für neue Benutzer"
 
 #: cps/templates/config_edit.html:55 cps/templates/user_edit.html:80
 msgid "Admin user"
@@ -625,7 +625,7 @@ msgstr "Sprache"
 
 #: cps/templates/detail.html:74
 msgid "Publishing date"
-msgstr ""
+msgstr "Herausgabedatum"
 
 #: cps/templates/detail.html:106
 msgid "Description:"
@@ -699,11 +699,11 @@ msgstr "Beliebte Bücher"
 
 #: cps/templates/index.xml:19
 msgid "Popular publications from this catalog based on Downloads."
-msgstr ""
+msgstr "Beliebte Publikationen aus dieser Bibliothek basierend auf Downloadzahlen"
 
 #: cps/templates/index.xml:22 cps/templates/layout.html:127
 msgid "Best rated Books"
-msgstr ""
+msgstr "Best bewertete Bücher"
 
 #: cps/templates/index.xml:26
 msgid "Popular publications from this catalog based on Rating."
@@ -804,8 +804,8 @@ msgid "Remember me"
 msgstr "Merken"
 
 #: cps/templates/osd.xml:5
-msgid "instanceCalibre Web ebook catalog"
-msgstr ""
+msgid "Calibre Web ebook catalog"
+msgstr "Calibre Web Ebook Katalog"
 
 #: cps/templates/read.html:136
 msgid "Reflow text when sidebars are open."
@@ -909,11 +909,11 @@ msgstr "Autoren in dieser Bibliothek"
 
 #: cps/templates/stats.html:45
 msgid "Categories in this Library"
-msgstr ""
+msgstr "Kategorien in dieser Bibliothek"
 
 #: cps/templates/stats.html:49
 msgid "Series in this Library"
-msgstr ""
+msgstr "Serien in dieser Bibliothek"
 
 #: cps/templates/user_edit.html:23
 msgid "Kindle E-Mail"
@@ -937,7 +937,7 @@ msgstr "Zeige Auswahl Beliebte Bücher"
 
 #: cps/templates/user_edit.html:53
 msgid "Show best rated books"
-msgstr ""
+msgstr "Zeige am besten bewertete Bücher"
 
 #: cps/templates/user_edit.html:57
 msgid "Show language selection"