Use FasterCSV or ruby1.9 CSV instead of ruby1.8 builtin CSV.
Fixed: child_pages macro fails on wiki page history (#4152).
Fixed: Feed content limit ignored on issues list.
Sort the list of users to add to a group or project (#4150).
Set trunk version to 0.8.6
tagged version 0.8.6
Version set to 0.8.6 and CHANGELOG updated.
Merged r2999 from trunk.
Fixed: inline images in wiki headings (#4112).
Merged r2979 and r2980 from trunk.
