PEP 8
Merge branch 'master' of https://github.com/earthreader/web into server
API which returns feed list
Remove previous code
fixture method write xmls
API which returns feed entries
Divide test
API which returns entry data
PEP 8
Check whether path is valid
Check error type when test test_invalid_path
Check_path_valid returns a cursor to use it when add a feed in category
Put feed_url rightly
API which returns feeds in category
Return feed_list also to save when cursor data changed
APIs which add a feed and add a category
Tests added for APIs which add category
PEP 8
Tests when add a category or a feed without opml
FeedCategory is treated as a list