database more methods are added.
Newsfeed UI connected with database code
modified .gitignore
delete the fucking .class files
Merge branch 'database' of https://github.com/lushashaka/Carnnecting into database

Conflicts:
	.gitignore
	bin/Carnnecting.apk
	bin/resources.ap_
	gen/com/cmu/carnnecting/R.java
	res/values/strings.xml
	src/com/carnnecting/home/Home.java
First on EventDetail
EventDetail xmls
merged with category branch
fix database helper concurrency issues
UserDataSource and some db fixes
Modified share
Modified share
Adding user information to user table based on FB login