Bump copyright year.
Merge pull request #380 from waywardmonkeys/update-copyright

Bump copyright year.
Fix autoconf GC test.
[doc] Add example of iterate macro.
Bump to new testworks, including surefire output.
Clean up whitespace.
whitespace cleanup.
source-records: Support source-record-language.

This adds support for the "language:" header at the top of a file
and stores the language in the source-record.
Better error handling.
Merge pull request #383 from waywardmonkeys/language-header

source-records: Support source-record-language.
[doc] Move to new Bootstrap JS from CDN.

This mirrors the change to the website.
[doc] Indentation fix.
[crt] Use Boehm's macros for malloc/free.

This lets us use GC_DEBUG, also lays groundwork for possible
emscripten support.