change package name
change class name
Merge pull request #1 from JyunjiKondo/develop

Change package name and class name
Remove survey related classes
Remove push notification related classes
Remove people related classes
Remove referral related classes
Remove unnecessary classes
Merge pull request #2 from JyunjiKondo/develop

Remove unnecessary classes
rename class, meta-data and fix debug messages
Remove unnecessary methods
Fix comments
Remove unnecessary import declaration
Suppress lint warnings
Change eclipse project setting
Change ant build file
Merge pull request #3 from JyunjiKondo/cleanup

Clean up codes
Update gradle build setting
Make gradlew work
Remove unnecessary test cases