Adds popup generator, Event listener for logs, Prototype for theme configuration and background color picker

Fixes many issues
Fixes issue
Adds jquery and jquery-ui files for offline mode
Updates some translations
Reviews form templating
Updates some translations
Reviews form templating
Fixes issues and adds locale to images url
Improves reader
Adds locale for Chapter
Adds jquery-cookie library
Reviews routing for reader
Adds try/catch for remove fil
Adds differents select balises for navigation
Improves reader
Modify key of historic cookies
Adds support for locales select balises update
Replaces text values for log.action by constants
Adds locale value on the name field, in the table.
Prepares integration of LoginEvent Listener
Adds tags field to Manga
Deletes some TODO
Improves reader :

- Set workers in reader object.
- Fixes issues with worker processing.
Modify comportement of reader.historic.addEntry() activation
Removes useless functions for workers
Modify comportement of HistoricAddEntry action for don't launch a db request if entry is present in cookies bag
Improves reader :

- Set workers in reader object.
- Fixes issues with worker processing.Modify comportement of reader.historic.addEntry() activation
Removes useless functions for workers
Updates README.md
Adds listener to login