1. added a db.conf to specify db info 2. update user's interest to accumulate
Merge remote-tracking branch 'upstream/master'
Merge pull request #12 from xiatao123/master

pull code with db.conf and accumulate user interests
update to load db and user info from env
Merge remote-tracking branch 'upstream/master'
update db settings
Merge pull request #14 from xiatao123/master

update to load db from env
Log event table when user fetch story.
Merge branch 'master' of https://github.com/frankyanwang/SmartRead
fix issue when session timeout. Also remove background image when enter list page.
hide notification after login.
Make thumbnail longer to fix a issue.
Merge pull request #15 from madimalo/master

Added content filter
Enhance feed insert to get more stories
Merge branch 'master' of https://github.com/frankyanwang/SmartRead

Conflicts:
	data_store/feedinsert.js