Don't persist nav_query param when navigating texts
removing spaces from index titles
fixing sections attribute on spanning ref
Merge pull request #108 from blockspeiser/logging

Logging
Merge branch 'master' of github.com:blockspeiser/Sefaria-Project
Script to reset autolinks in Berakhot
Supporters page
Updated featured sheets
Add supporters link to footer
Option for a Global Warning
500 Template
Languages fixes
Log as unicode
adding a logging filter for excluding certain errors and their stack trace