Move Java info support from ASM to source parsing.

Return symbols rather than strings for Java info.

Add simple comment parsing.

Add Javadoc @tag and HTML processing.

Improve markdown parser/formatter.

Prepend 'this' to arglists. Update commentary.

Add thead rule to markdown formatting.

Clean up markdown parser code and comments.

Add arglist tests.

Use more flexible class info caching strategy.

Update commentary.

Update markdown formatting for literals.

Update tests.