Rename source/Integrate/Partners/EngineYard.md to source/Integrate/Partners/Tutorials/EngineYard.md

We are going to be adding partner specific pages that link to the partners. This move should NOT go live until that partners pages are completed as they will go into the partners directory and the index will be updated at the same time. 

step 1 of #566
Rename source/Integrate/Partners/WindowsAzure.md to source/Integrate/Partners/Tutorials/WindowsAzure.md

We are going to be adding partner specific pages that link to the partners. This move should NOT go live until that partners pages are completed as they will go into the partners directory and the index will be updated at the same time. 

step 1 of #566
Links and list for Partner Tutorials

Step 2 of 4 #566
clean up scheduling

Changed SMTPAPI to SMTP API
Fixed a mispelling
added headers to code blocks to match other code blocks in docs
Cleanup SMTP API Overview

- Added code block specific header
- Make ""to:"" and other header names bold
- Add a link to limitations on the ""to"" section or reference the 10,000 email limit
- Remove this statement "When setting filters via SMTPAPI, all filter names and setting names must be lowercase."  -- it will be moved to Filters page
- MAIL FROM - give an example or link to a place that explains this more fully
- Remove "For substitution tags, it is best to avoid characters that have special meaning in html, such as <,>, and &. These might end up encoded and will not be properly substituted." --will be moved to the substitutions section
Changed h4 to an anchor
Fixed links for html

It's not a .md file! It's .html!!
Moved the Partner Tutorials to a tutorials directory

This completes todo 5 For #566
Added index to Glossary to match email-library
Fixed link to substitution tags

closes #614
Merge pull request #627 from mbernier/patch-34

Fixed link to substitution tags
Merge pull request #626 from mbernier/cleandevelop

Added index to Glossary to match email-library
Merge branch 'pr/567' into pr-566
Merge branch 'pr/568' into pr-566
Merge branch 'patch-8' of github.com:mbernier/docs into pr-566
Merge branch 'partnersTutorials' of github.com:mbernier/docs into pr-566
Fixed the order of the links
Merge pull request #630 from mbernier/patch-35

Patch 35
Merge pull request #583 from mbernier/patch-14

clean up scheduling
Merge pull request #593 from mbernier/patch-21

Cleanup SMTP API Overview