maximizer: don't recommend buying items that the mall does not have in stock

git-svn-id: http://kolmafia.svn.sourceforge.net/svnroot/kolmafia@11819 b29ace70-8910-0410-8dcc-aa2fc6433167
do not ignore price limits (and other kinds of limits) for singleton-equip items when maximizing

git-svn-id: http://kolmafia.svn.sourceforge.net/svnroot/kolmafia@11820 b29ace70-8910-0410-8dcc-aa2fc6433167
fix "login" while logged out

git-svn-id: http://kolmafia.svn.sourceforge.net/svnroot/kolmafia@11821 b29ace70-8910-0410-8dcc-aa2fc6433167
Switch the labels around for A-Boo Clue hints

git-svn-id: http://kolmafia.svn.sourceforge.net/svnroot/kolmafia@11822 b29ace70-8910-0410-8dcc-aa2fc6433167