Added ability to edit data, rate sleep, and comment on sleep
Merge remote-tracking branch 'upstream/master'
Merge pull request #5 from asr716/master

Long click delete entries
Merge branch 'master' of https://github.com/asr716/SleepTracker
Merge remote-tracking branch 'origin/master'
made chart pretty, made stacked chart
Merge pull request #4 from erkim/master

3rd graph merge