Merge from master.
Initial commit for settings branch, which is for settings bar.
TO-DO: Add rate me.
Add settings details view controller. Now can visit support web page in app.
TO-DO: Add appirator into app.
IMPORTANT: Change a lot the control flow of UI.
Add voice feedback service
TO-DO: Localization.
Apply localization for english. Now be able to store user preferences
TO-DO: localize for zh_Hans and zh_Hant
Settings bar almost done. Localization for base and en done.
TO-DO: Add MBProgressHUD for count down. Add iAds.
Add iAds.
Add voice feedback. Finish localization for zh_Hans and zh_Hant.
TO-DO: Improve performance. Set up contribution graph data source
Change project name
need to fix some issue caused by Xcode
At last, change the project name successfully. Renaming a project in Xcode is a disaster.
Prepare for merging into master.
Prepare for merging into master.