fix #1590: delete post dialog crash
Merge pull request #1622 from wordpress-mobile/issue/1590-delete-post-task-crash

fix #1590: delete post dialog crash
Fixed NPE caused by null domain in blog comparison (due to UrlUtils.getDomainFromUrl() returning null when the host name is null)

Conflicts:
	src/org/wordpress/android/ui/reader/adapters/ReaderBlogAdapter.java
Merge branch 'release/3.0' into issue/1635-mixpanel-push-notifs
fix double notification issue
move registerForCloudMessaging after analytics tracker init