remove duplicate Persistent QR code
avoid using exceptions; was annoying when debugging
add beta/dev to userscript names so beta/developement versions can be installed alongside stable
Merge branch 'master' into catalog
partially revert ef99677f142c6b2dadb0e3f70745f0c4b14cf7d4
non-catalog part of menu refactoring from Mayhem commit 60e89e3f28dcb5cb5936f31940c786117ba5240a
Fix minimum Chrome version.

Should have been updated at f5047e8fddcacca439df8928cf19b9209e2c7814.
Merge branch '1.9.1.x' into 1.9.2.x
Merge branch '1.9.2.x'
quote attributes
Merge branch 'master' into catalog

Conflicts:
	src/General/Index.coffee
	src/Menu/Menu.coffee