add InteractionFragment.java & HistoryFragment.java. fix some bugs on camera and bluetooth function.  can connect to ssl website now.
add database (part) back to the new version, make the testing follow the flow, add statistic for a day
fix bugs in bt and camera, and update new UI on history and statistic page
updated PreSettingActivity.java, StatisticFragment.java, this version before updating testFragment
update TestFragment.java for new UI
update StatisticFragment.java and StatisticPageView.java related classes for reducing the # threads run on StatisticFragment.java. Add @ annotations, remove not used classes
Remove the old version of the app
fixed UI
Fix some UI and bugs
version for testing now. Will modify UI in the next version
Update StatisticFragment.java & TestFragment.java for new UI
Eric - add two blocks (Progress & Money Saving) in Analysis part.
version before merging
Merge remote-tracking branch 'remotes/origin2/newUI_version_3-Eric' into new_version_2

Conflicts:
	src/main/activities/FragmentTabs.java
	src/main/activities/StatisticFragment.java
Fix problems for merging
Modify feedback, bitmap loading
Fix bugs in TestFragment.java, change HistoryFragment.java for alpha animation, add complex UI message box
fix bt pressure
update analysis/AnalysisProgressView.java
Merge remote-tracking branch 'remotes/origin2/newUI_version_4-Eric' into new_version_4