use custom PullToRefresh class
refresh as expected
show last update time
remove unused resources
refactor files name
use English comments
remove unused code
make StarredFragment refresh as expected
fix refresh animation layout
reformat code
stop refreshing when navi to other directory
Merge branch 'master' of github.com:haiwen/seadroid into stop_refreshing_when_network_down
improve icons and font style
update README
Merge pull request #210 from Logan676/stop_refreshing_when_network_down

custom PullToRefresh