working on routes
start to work on balance
Merge branch 'develop' of https://github.com/AgreeMates/AgreeMates into bills
disjoints apartment from users and actions
Merge branch 'develop' of https://github.com/AgreeMates/AgreeMates into develop
removed message:
merge from upstream
resolved merge conflicts
fix layout issues
fix a update bug caused by merging, add balance between roommates feature
history table added in db.sql
Merge branch 'develop' of https://github.com/AgreeMates/AgreeMates into develop

Conflicts:
	server/routes/apartment.js
add more detail info in balance table
remove comment
Merge branch 'develop' of https://github.com/AgreeMates/AgreeMates into messages
apartment functions added
apartment updated
Merge pull request #210 from worxli/messages

history table added in db.sql
add delete confirmation box
Add history feature skeleton