Rebuild release notes
Merge branch 'pr/24'
Add Dynamic_Bitset changes for 1.56.0
Update boost_1_56_0.qbk
Merge remote-tracking branches 'origin/pr/26' and 'origin/pr/27'
Rebuild
Remove updated library list.

It's easier to deal with later.
Move Predef changes block to correct alpha order and fix typos.
Update boost_1_56_0.qbk
Update chrono release notes
Merge remote-tracking branch 'origin/pr/28'
Rebuild
Update the release notes for Thread
Rebuild
Remove redundant statement.
Get module paths from git when creating metadata.
Remove loading from a file.

It's never really used.
Support release versions in update.
Don't die on parse errors when updating.
Update documentation list.