pickem 6.x-1.9

No database schema updates in this release.

Minor Bug Fixes:
don't show weekly pick screens to a player who is not a member of the league.
added league name and removed double 'week' from email reminder.
users should only be redirected to their own leagues (when user prefs don't match their league membership).

Minor Usability Updates:
increased click accessibility on admin picks screen and added small logos.
increased click accessibility on mypicks screen.
updated help text.

Minor Feature:
added v_power ranking statistics to league dashboard.