Handle if zoom in/out dont exist when attaching events
Beautified
Release 0.7.1
Updated the email subject
Only show 1 warning when 0 modes are selected
use 700 for bold font default
change "Account" to "Profile" (per #23)
remove "save journey" icon (per #21)
Added page category as class to main for page specific styling
'tm' to logo white
Merge branch 'design' of github.com:conveyal/modeify into design