change unsaved alert message:
center icons
Merge branch 'refreshquest' into refreshquest-part2
ui changes to source mode, refresh map based on user actions
refactor active pane to be persistent across hash changes
don't return false before refreshing map
cleanup
style adjustments
fix copy
fix layer list empty state
Merge remote-tracking branch 'origin/source-invalidate-on-refresh' into refreshquest-part2
set auto zoom one zoom back, #854
don't allow view to be set outside min/max range
Merge branch 'mb-pages' into refreshquest-part2
fix tests
Simplify tab controls in source mode
fix tests
smoother map refreshing on initial load
remove loading state later in refresh process
Merge remote-tracking branch 'origin/source-tmp-saveas' into refreshquest-part2