Merge pull request #2 from wangwangwar/fix-bug

Fix issue #1
Add Pods 'FXBlurView'
Add .gitignore
Design New Playing View UI

1. Remove songs table view, only info about the current playing music,
such as album picture, song, singer and album name, playing time, control button.

2. Auto layout for all screens.
Update Main XIB

Replay play, prev, next UIImage with UIButton
Add API `- [Song getSongByIndex:]`
Update Project Settings
Make New UI Works