Bundles, logs, functions, and variables - merge to cfengine/documentation

Added html and markdown output files for bundles, logs, variables, and functions. The breakdown of the output is by section and chapter (one html and markdown file for each). 

The markdown files are located in a subdirectory for each chapter directory, while the html files are located in the corresponding chapter directory. 

The process that provided this output is a modified python script that previously broke down the content by nodes, which was too granular. The new output needs to be validated to ensure the modifications to the script did not leave anything out.