Remove: pgqadm and related code, its unmaintained

Although it was nice to have Python code that shows
how PgQ ticker and maintenance operations should work,
if it's unmaintaned, it's pointless.
skytools.Config: New default variables.

config_dir - directory where config is located at
config_file - config file itself.
Londiste: make compare 8.2 compatible
Merge remote-tracking branch 'petr/master'
Londiste: fix trigger generation when extra params that are add-table specific are used (introduced in commit 364ade9)
Regression test for previous commit
scriptmgr: user= support

Daemon sections can now have user= option.  It makes
scriptmgr launch (and kill) daemons with sudo -u $user.
Merge remote-tracking branch 'petr/master'
scriptmgr: fix ~ expansion
scriptmgr: give -nH args to sudo
skytools_upgrade: add force option
Initialize Event properly in BaseConsumer
skytools.Config: fix the case if filename is missing
Remove typo in Event
skytools_upgrae: make force option work properly
Pgq: fix RetriableBatchWalker initialization
PGQ: same bug different place...
londiste: added --count-only to compare command

For quickly checking whether tables have same number of rows,
without comparing tables' contents (data).
noise