Fixed Bug  user name cannot show at line-list;
Changed user-info-page
Remove useless file
Add ShareSDK
Test sharesdk
Optimised sharesdk
Add settings page
给BaseFragment增加keepable属性，增加设置页面

给BaseFragment增加keepable属性；
增加设置页面；
调整ui布局
Change settings UI
调整设置页面
Merge branch 'master' into guangdiantong

Conflicts:
	laughday/build.gradle
	laughday/keystore/release.jks
	laughday/laughday.iml
	laughday/src/main/AndroidManifest.xml
	laughday/src/main/java/com/laughday/activity/MainActivity.java
	laughday/src/main/java/com/laughday/fragment/line/LineListPager.java