missing has_password property (created on behalf of @jadepearl)

[GRiker]

http://www.mobileread.com/forums/showpost.php?p=2625533&postcount=29

calibre, version 1.3.0
ERROR: Unhandled exception: AttributeError:'MarvinManagerAction' object has no attribute 'has_password'

calibre 1.3 isfrozen: True is64bit: True
Darwin-12.4.0-x86_64-i386-64bit Darwin ('64bit', '')
('Darwin', '12.4.0', 'Darwin Kernel Version 12.4.0: Wed May 1 17:57:12 PDT 2013; root:xnu-2050.24.15~1/RELEASE_X86_64')
Python 2.7.5
OSX: ('10.8.4', ('', '', ''), 'x86_64')
Traceback (most recent call last):
File "calibre_plugins.marvin_manager.action", line 664, in show_installed_books
File "calibre_plugins.marvin_manager.book_status", line 1231, in initialize
File "calibre_plugins.marvin_manager.book_status", line 2879, in _construct_table_view
AttributeError: 'MarvinManagerAction' object has no attribute 'has_password'