Added basic implementaion of News widget
Added paging and filtering to news widget
Added simple News designer
Added News selector and fix designer binding
Fixed provider name
Added taxonomy filter
Merge branch 'master' of https://github.com:ElenaGaneva/Sitefinity/feather-widgets into NewsWidget
Merge branch 'master' of https://github.com:boyko-karadzhov/Sitefinity/feather-widgets
merge NewsWidget -> master