Seperate the widget style into header and body. HListView needs to be implemneted.
Merge branch 'simple' of https://github.com/georgelin422/DayCountWidget into simple

Conflicts:
	app/build.gradle
	app/src/main/java/mmpud/project/daycountwidget/DayCountConfigure.java
	app/src/main/res/layout/day_count_configure_layout.xml