update to rails 4.1.8
disable sqlite for now
use a real SQlite database
update travis ruby-version
Merge pull request #202 from zendesk/sdavidovitz/rails_418

update to rails 4.1.8
use octokit to create a release tag
soft_deletion and uniq indexes don't mix
validate that we don't create duplicate webhooks.
update schema
Merge pull request #205 from zendesk/jstillwell/fix/soft_delete_webhooks

Remove unique index on webhooks
add tests for webhook soft_deletion
better validation method that doesn't require unique deleted_at dates
remove unnecessary timecop.
remove all references to timecop
Merge pull request #206 from zendesk/jstillwell/add_tests_for_PR205

add tests for webhook soft_deletion
Merge pull request #194 from pitr/use-octokit-to-create-release

use octokit gem to create a tag/release
don't race job execution to stop running jobs
after_initialize is even better
remove Job table check
bundle update