add java to run udpate top stories
Merge pull request #19 from xiatao123/master

added bash to update top story
Use top_stories table now. Also commented out unused code.
Add initial score for each story source.
Exclude some website don't allow image fetching. Also other temporary tweaks.
fixed issue to update user interest
update jar
Merge pull request #20 from xiatao123/master

fixed issue to update user interest
finished code to sort user_stories
Merge pull request #21 from xiatao123/master

sort user_stories is done
convert hashlist to array
maintain both list and hash in user stories
Merge pull request #23 from xiatao123/master

maintain both list and hash in user stories
reverse the order of user story list
build jar again
Merge pull request #24 from xiatao123/master

reverse user story list order
Add categorization flag and make end to end working.