don't break other nginx plugins like nginx-alt
print out urls with scheme
reset VHOST to default upon domains:clear
bugfixes

 - don't match substrings in VHOSTS
 - handle case where NOSSL_SERVER_NAME is \' \'
 - rebuild nginx config on ssl import
 - prevent cwd errors after we rm the temp dir
include SSL_VHOSTS in NOSSL_SERVER_NAME so we can redirect from http to https on the secure hostname as well
Merge pull request #823 from expa/nginx-cleanup

show URLS with scheme. now with bug fixes!!!