list prefs instead of flipping them
add some styles
add button to launch settings
add button to open preferences
open proper settings page
add lightweight themes
Revert "add lightweight themes"

This reverts commit 41551eb2fbc31943ca77c20ca0a9d4c7571bb8e3.
add https search messages
add banner pro tips
fix url reference in css
add info about more features
add menu item to tools menu
add banner about private browsing
improve https search text
move https search message over to third column
list preference options
update banner icon
observe pref changes
add some more details about preference choices
observe search engine change