Adding Slack test file, adding color settings to use for Slack attachment colors, adding format_name method to MessageServiceBase along with test, adding attachment formatting functions to Slack service, actually filling out and testing the item one
Fixing some tests, adding format_comment method with tests
Comment attachment formatting done
Adjusting comment post, moving pretext for item into item attachment method rather than get_post_data method
Added comments to all attachment formatters, pulled out a method to extract item data for attachments, added an item link format method
Parameterizing some of the slack tests to run them on all payload types
Added deploy attachment format
Added a test for format_item_link, small tweaks and comments to Slack service class
Merge pull request #17 from sprintly/slack-post-as-attachment

Slack post as attachment