removed maximum lifetime config variable
added config variable for immediatly sending invitations upon request
Merge pull request #122 from smcgregor/long-lived-posts

removed maximum lifetime config variable
Merge pull request #123 from smcgregor/send-invitations-config-variable

added config variable for immediatly sending invitations upon request
Merge pull request #1 from privly/master

Merging master into my branch