Ignore .DS_Store files
Ignore .*.kate-swp and /*.patch files.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
src/allmydata/uri.py: Remove unused 'human encoding' methods, and associated tests. fixes #1807

Signed-off-by: Daira Hopwood <david-sarah@jacaranda.org>
Fix a pyflakes import warning.

Signed-off-by: Daira Hopwood <david-sarah@jacaranda.org>