merge pr/592
corrected azure link
removed excess ol tag

This tag was there, for no reason. We close all the other ordered lists properly.
added email library
fixed a link to email deliverability
Added Outlook 2010 Page

Thanks @leorleorleor for the content! Please check that this is good to go, then mark it closed in comments.

Belongs to #516
Merge pull request #615 from mbernier/cleandevelop

added email library
added default to show in navigation

This is only in the _config.sample.yml, for anyone to apply this to their own build of docs they will need to copy this change to their own _config.yml
Updated example for attaching files 

This is for ticket #620
Added a link

Text referred to Kyle’s video, “Create a Marketing Email and Add Custom Variables.” Added a link to the video.
add ruby libraries
Merge pull request #623 from TeddySeifert/patch-1

Added a link
Merge pull request #622 from gnickell/patch-1

Updated example for attaching files
Merge pull request #619 from mbernier/issue113

added default to show in navigation
Merge pull request #618 from mbernier/outlook-2010

Added Outlook 2010 Page
Merge pull request #605 from nquinlan/mod-592

merge pr/592
merge mbernier/patch-31
Merge branch 'mbernier-patch-31' into develop
Added index to Glossary to match email-library
Fixed link to substitution tags

closes #614