Allow for _next_ querystring parameter in login url.
Version bump
When adding next param to login URL don't store that part in the global _LOGIN_URL variable.
Version bump to 5.1.4.login_patch.
Merge branch 'master' of github.com:berryp/sentry

Conflicts:
	setup.py
	src/sentry/templates/sentry/header.html
	src/sentry/templatetags/sentry_helpers.py
	src/sentry/web/decorators.py
Try to be more explicit about next url hostname.