sj More location fixes. aa07e21e7db7a926df26374953bb791413c86d14
sj Only add location if it does not contain a valid location. 6392e6a4cf4a5cc916d5fd27d2f0522c1a849702
sj Modify so you can only add for this location. 3e0573864594554e5067959963d8c35bea5214ec
sj Restriction of sharing to friends only. Limits auto recommend to friendships only. Removes ability to edit or delete for someone else, aka can only share. Does db side check to make sure user is a friend before entering into db. Manual testing only; no automated tests.  9480c10a75e83c23c50e3955a26ed041fc16479e