Updated own_stories

wordbyword.py and ownstories.html is incomplete
Merge remote-tracking branch 'origin/master' into ownstories
Updated wordbyword.py

Updated ownstories page
/ownstories redirects to main story list...

If not logged in
Renamed /ownstories --> /mystories
Various mystories changes

Renamed template to mystories, fixed references, added link to My
Stories in header.html if logged in.
Fixed all references to mystories/my_stories
Merge remote-tracking branch 'origin/master' into ownstories
Merge remote-tracking branch 'origin/master' into ownstories