add close button to alerts
Merge pull request #79 from dglunz/close-alerts

add close button to alerts
Fix style problems in controllers & models
switch about page to homepage and add some small style tweaks
Merge pull request #81 from dglunz/homepage-flip

switch about page to homepage and add some small style tweaks
Merge pull request #80 from bayendor/78_address_controller

Fix style problems in controllers & models