Renames handbook.tex generation script
Write directly to handbook.tex instead of printing to stdout
Removes macros.tex which was not used
Moves more style stuff into preamble
Adds macros for all generated content. Should make it easier to adjust formats without having to re-generate.
Adds warning to generated file
Adds days and locations to session abstracts
Adds locations and chairs to session abstract sections
Copies start and end from session if not specified for a paper
Adds a few comments and fixes indentation
Adds locations to overview schedules
Fixes locations in parallel sessions
Fixes bug in session chairs
Adds empty file for frontmatter