added support for `unfurl_links`, `icon_url` & `icon_emoji` when sending messages.
cleaned up how we parse `$extra` a little.
document new properties
Merge pull request #16 from tinyspeck/bot_icons

Support for per-message bot icons
working towards matching the slack.com style.
split the homepage into a list of instances and an add-new-service directory.
sort services on new.php
clean up the code for splitting an array into sets
load our own css after font-awesome, so we can override stuff
method to return various icon size urls
redesigned the instance listing page:
* group by service
* sort alphabetically
* slack.com layout
store creator and creation time for new service instances.
display info against each instance on the listing page.
default to passing along the service URL as icon_url.
allow iconUrl() to return absolute URLs.
Merge pull request #17 from tinyspeck/ui_v2

Ui v2
added a note to config file about setting a full cookie domain
detect cookie domains without a dot and stop users from authing
Merge pull request #18 from tinyspeck/cookie_domain

Cookie domain
Secure cookies please!

This is probably pretty important =)
fix papertrail plugin for single event (var typo)
Merge pull request #20 from allixsenos/master

fix papertrail plugin for single event (var typo)
Merge pull request #19 from lusis/patch-1

Secure cookies please!
Fix minor typo in services_ref.md
Merge pull request #21 from egrim/patch-1

Fix minor typo in services_ref.md