Merge pull request #3141 from cstrahan/iomelt

iomelt: new package
Create some meta for the AnonymousPro font
Update Blobby Volley
Allow update-walker to run directly from meta attributes
Allow pure-meta updates to specify tarball regexp
Update lib re
Update lib rem
Update baresip
Add auto-updating meta for restund
Merge pull request #3138 from flosse/lua5-expat

added luaexpat 1.3.0
Fix default tarball mask
Update bip
Allow search of updates for atop
Allow auto-updating of the AnonymousPro font
Update afflib
Add fresh (unstable) Allegro 5, too
Allow autoupdates for altermime
Update angelscript
Update atanks
Update Box2D to 2.3.0. I fail to build 2.3.1, though.