Bug fixes

Admin theme, when clicking on message "This module cannot be found.
Delete its configuration settings." its takes two goes before the
display is updated. In addition JustCarmen pointed out that modules
don't appear on the admin theme left hand menu when a module is
enabled/disabled
Streetmap co-ords not working
Merge pull request #45 from ddrury/Admin_delete_module_settings

Changes to module status not shown immediately
#106 - SEO tweaks to home page
Merge https://github.com/fisharebest/webtrees