first pass to fix #79: create a new wpcom blog from a logged in user
fix self-hosted url field margin and padding
add a force self-hosted mode in sign in
Refactoring for later auto-sync blog feature
Merge branch 'develop' into issue/79-new-wpcom-blog-with-existing-account

Conflicts:
	src/org/wordpress/android/ui/accounts/WelcomeFragmentSignIn.java
Replace error modal by setError for siteUrl and siteTitle errors
Merge pull request #379 from wordpress-mobile/issue/79-new-wpcom-blog-with-existing-account

Fix #79: create new WordPress.com blog  from existing account