Fix compile error on 64-bit machines.

* This is built for the host system, so we can't use B_PRIdOFF.
* Until POSIX introduces a format constant for off_t, cast the variable
to long long to avoid a warning.
Update gcc version to match bootstrap repo.

* Fix bootstrap image build.
Moved myself to current maintainers list.
packagefs: BOpenHashTable keys are already reference types.
AboutSystem: license hyperlinks were missing due to incorrect count
AboutSystem: use BPathFinder instead of find_directory.
AboutSystem: use BPathFinder correctly
Update various packages.
Import stdatomic.c from freebsd for ARM port

* Fixes missing atomic stuff that gcc requires
* The gcc build still fails further down, because of a mixup of
VFP/nonVFP objects (at least for beagle build).
Add more packages: vcmi, cvsps, ...
Revert 6f68e52 and fix the gcc2 build via template.

* Instead of forcing the hash-table to use a copy of the key,
  introduce and use TypeOperation template to avoid taking a
  reference of a reference type (which gcc2 doesn't allow).
findpaths: Add missing --list long option
package daemon: Move Volume::State to top level

... and rename it to VolumeState.
Move Volume::CommitTransactionHandler to top level

Also move constant definitions to Constants.h/cpp.
package daemon: Sever Volume-CommitTransactionHandler friendship

Move quite a bit of transaction related methods from Volume to
CommitTransactionHandler.
Add qemu package with dependencies.
Add several SDL games with their dependencies

Road Fighter, Maze of Galious, Mirror Magic, Super Transball, Goonies,
F-1 Spirit, and Rocks'n'Diamonds.
Fix glu dependency to libstdc++.
Add glew_x86 package.
Mesa_x86: fix libstdc++ dependency.