README.md: Add a note about HTTP proxy
Release 2014.101
rollback: Add comment
manpage: Add clarifications and options on existing commands
Delete repoquery-sorted script

This was used previously by the caching infrastructure, but is no
longer used.
tree compose: Delete .dbenv.lock and __db.* files from /usr/share/rpm

Currently on an Atomic compose, I'm seeing abrtd trying to write to
/usr/share/rpm/.dbenv.lock, which is denied by policy because it's
usr_t.  There are multiple ways to address this, but there's no good
reason to leave the lock files and __db* files around.

rpm appears to operate correctly without them if calling process
merely gets EROFS.
compose-tree: Auto-create cache directory

It's just more friendly.
compose tree: Cleanup workdir always

Particularly if we hit the cached case, but we might as well always do
it.
status: New builtin for system administrators to see deployments

This allows administrators to configure between deployments and easily see which deployment
they are booted into as well as indicating which is chronologically most recent.  This makes
the process more user-friendly, rather than requiring the user to remember which deployment
checksum corresponds to the most recent upgrade.