initial version of understanding transactions
included more detail for all the options in the transaction article
incorporated Simon's feedback in the transaction document
Switching OrderCreated to OrderPlaced.
Forgot some OrderCreateds
Update GatewayTroubleShooting.md
Update multi-transport-support.md
fix casing
another case fix
Merge pull request #172 from loldma/master

homepage
fix new lines
trim out redundant space
Update getting-started--overview.md
remove broken link
change link so it wont be broken
Added ServiceMatrix Getting Started to Menu.txt

getting starting articles fro service matrix
ServiceMatrix Page Titles

Changing the titles of the ServiceMatrix getting started pages.  Too
long in the menu..
Updating SM Licensing page

Minor content change to SM license.
Fixed broken link to pub/sub
Minor editing