FLUID-5377: Converted Getting Started tutorial

Converted the getting started tutorial to markdown.
http://wiki.fluidproject.org/display/docs/Tutorial+-+Getting+started+with+Infusion
FLUID-5377: Updating README

Pointing at the markdown version of the Getting Started Tutorial
Merge branch 'master' into FLUID-5377
FLUID-5377: Fixes based on code review.
FLUID-5377: Setup a folder for the tutorial
FLUID-5377: Added a reference to the tutorial
FLUID-5377: Moved remaining files to tutorials dir
FLUID-5377: clean up and path fixes
FLUID-5377: Fixed path issue
Merge branch 'master' into FLUID-5439
FLUID-5439: A few changes to address pull request comments.