Backing out fix for bug 287325 (initial implementation of custom fields): turns out the tree is not yet open for 2.24 checkins after all.  I'll check this back in once the tree opens for 2.24 checkins, which lpsolit says will be in about a month.

Bug 287325: an initial implementation of custom fields, including the ability to add text custom fields via the command-line script customfield.pl, search them via the boolean charts, display and edit them on the show bug page, and see changes to them in bug activity; r=mkanat, glob

Bug 315551: time summary split by month counts days twice - Patch by Miluse Nemcova <miluse.nemcova@volny.cz> r=wicked a=justdave

Bug 312157: Remove $::template and $::vars from globals.pl - Patch by Olav Vitters <bugzilla-mozilla@bkor.dhs.org> r=LpSolit a=justdave

Bug 208761: Move GetFormat() from globals.pl into Bugzilla::Template - Patch by Frédéric Buclin <LpSolit@gmail.com> r=wicked a=justdave

Patch By Tomas Kopal <Tomas.Kopal@altap.cz> r=mkanat, a=justdave

Patch By Tomas Kopal <Tomas.Kopal@altap.cz> r=joel, a=myk

Bug 286003: Direct access to summarize-time.cgi when time tracking is off generates an error - Patch by Shane H. W. Travis <shane.h.w.travis@gmail.com> r=jouni a=justdave

Patch By Tomas Kopal <Tomas.Kopal@altap.cz> r=mkanat, a=justdave

Bug 174295: ANSI SQL requires all columns in SELECT to be in GROUP BY, unless they are in "aggregate" functions
Patch By Tomas Kopal <Tomas.Kopal@altap.cz> r=joel, a=myk

Patch by Colin Ogilvie <colin.ogilvie@gmail.com>   r=mkanat  a=justdave

Patch by Christian Reis <kiko@async.com.br>   r=jpeshkin  a=justdave