Squashed 'cgilite/' changes from 6bdb2db..970afda

Squashed 'cgilite/' changes from 6bdb2db..970afda

970afda inline image attributes, wiki style links
9a07596 bugfix/typo: correct transformation of header fields into web server variable names
5038774 escape CR and BR in HTML output (as previously specified)
e02243e table style
74f16aa bugfix: allow trailing white space in indented code
175ea96 bugfix anchor links starting with # character
dfadf30 bugfix: prevent white space lines from becoming code blocks
e619859 anchor links for headlines, bugfix: continue block processing right after tables
aa80431 Implemented pandoc grid tables
9bb2256 Implemented Pipe Tables
d1bb79c bugfix in recognition of fenced code block attributes
d09c1c1 ordered list of mime types, additional pdf and text types
cc4a446 styling classes for task list, additional task list status

git-subtree-dir: cgilite
git-subtree-split: 970afdafe1d1125607c10d3e410abae8d2244392