Fix #622 New Recording UI

Overall new look for the recording UI. Made buttons persistent
and media buttons with custom icons. Added option to leave
record-mode and auto-record mode. Auto-record feature
has been moved to the menu. Spacebar now pauses and
unpauses recording.
Insert comment on new tests
Add non-functional test functions for click_add_talk, show_save_prompt, and click_talk
Remove unnecessary comments