`Nothing` is not documented in the language module and cannot be linked
to #1303
Ceylondoc: Attributes -> Values, Methods-> Functions #1313
Fix #1313
Tests for #1313
IntegrationTests: Is it just me or have we not updated this since we messed around with where we put the jars?
Bump to 0.6.1
ceylon-run-js ant task: support reposet like ceylon-run
ceylondoc: fix for #1319

Ignore setters
Fix #1317
Issue #1317: Add a test
Issue #1317: Uncomment part of test.
Issue #1315: Add a test
Improve some doc
WIP
Added `-continue` option to low-level javac compiler (#1316)
Added `--continue-on-errors` to high-level Ceylon compile tool (#1316)
If the `--continue-on-errors` option is set for the compiler any errors encountered during the first phase of compilation will be ignored and code genration will continue as if nothing happened (#1316)