Refactoring; Updated *.sql for new schema
Fixed MyDataServlet.java for the new database schema

Changing AddNodeServlet.java for AJAX.
Updated returned.json object
Merge branch 'master' of heroku.com:limitless-headland-1164
testdata.sql change
fixed collapse reload to top issue
Added Drop schema
Merge branch 'master' of heroku.com:limitless-headland-1164
Merge branch 'master' of heroku.com:limitless-headland-1164
added AddNodeServelet pin data
fixed large hero
Merge branch 'master' of heroku.com:limitless-headland-1164
added dynamic adding of nodes to Things
Merge branch 'master' of heroku.com:limitless-headland-1164
removed test alert
Fixed problem with table creation
Added status string in UserData
Fixed AddNodeServlet to work with 1 node = 1 pin rule
Merge branch 'master' of heroku.com:limitless-headland-1164
changed css for highlighted portions and fixed modal bug