adding custom status filter
Merge branch 'master' of https://github.com/vaadin-marcus/bugrap

Conflicts:
	bugrap-ui/src/main/java/com/vaadin/training/bugrap/view/mvp/Presenter.java
	bugrap-ui/src/main/java/com/vaadin/training/bugrap/view/reports/ReportsPresenter.java
	bugrap-ui/src/main/java/com/vaadin/training/bugrap/view/reports/components/FiltersLayout.java
adding custom filters popup button