add event_buffer.js that can aggregates events to trigger only a few callback calls
add requirement in the jsdoc
change content to 90% so the snapshot button will always be shown on the card
remove trailing period in the @require section
save before switching branches
add dom_helper_test.js; remove dependency trailing periods
add dom_helpers_test
add has*keywords to dom_helpers.js and tests
renamed dom_helpers to content_scripts_helpers
remove fake_content_script under test
change runtest.html to incorporate the rename from dom_helpers.js to content_scripts_helpers.js
add helper libs section; make dits_sniffer to trigger on b/ and gmail
add notifyUsingElement and notifyWhenBodyText functions to content_scripts_helpers.js
delete dom_helper since it has been renamed
add dits_sniffer.js content script