Added skeleton of "Application Definition with Heat"
Fix bug in Makefile

This could cause the document not to be rebuilt if only transcluded TeX
documents had changed.
Started adding some text for the first three sections
Added draft section on image building
Add draft of HOT section
Update orchestration introduction

Update orchestration.tex text and add an overview diagram
Add template overview section
Added notes to providers section
Put author names in speaking order
Add software-config roadmap
Add outline odp slides
remove duplicate slide
Clarified diskimage-builder information
Make formatting of 'HOT' consistent
Fix typo
Minor formatting improvements