general: fixes and improvements for several personalization features

1: D100 Docstring missing
4: I102 copyright year is outdated, expected 2014 but got 2011
28:29: E126 continuation line over-indented for hanging indent
55:51: E127 continuation line over-indented for visual indent
62: D205 Blank line missing between one-line summary and description
98: D400 First line should end with '.', not 'n'
98: D205 Blank line missing between one-line summary and description
119:51: E711 comparison to None should be 'if cond is None:'
222: D400 First line should end with '.', not 's'
222: D205 Blank line missing between one-line summary and description