add slack lib
move "delete team" down, relocate "remove person", make space in footer
for slack integration
add new doc
add sql methods to persist slack channel and form in view
remove app dep from Team and Sqlite
change Team constructor
use the service account to get calendars
add cronjob and slack dependency
get rid of slack lib and use another one that does not require php > 5.3
update lock file
always refresh
Merge pull request #40 from liip/slack

Slack integration