add detection of ActiveRecord connection and use it
add WIP test for ActiveRecord connection detection
move function and trigger creation in ddl.sql

Context is in https://github.com/QueueClassic/queue_classic/issues/233
rename variable in QC Setup
add Rails migration
add spec for ActiveRecord connection detection
make ActiveRecord detection work on Ruby 2.0.x
update README with Rails DB connection detection
remove useless ensure
add QC_RAILS_DATABASE to disable conn detection
add note in README regarding Active Job
temporary rename of readme.md -> to readme

I want it to be README.md, this is annoying me big time. :)
rename README
give some love to README
Merge branch 'fix-upgrade'
Merge branch 'master' into detect-rails-db-connection
Merge pull request #232 from jipiboily/detect-rails-db-connection

detect Rails DB connection and use it
Support for scheduling jobs in the future
Changed scheduling to use an offset based approach
Documentation for #enqueue_at/#enqueue_in