speech_detail.html: avatar links to person profile
speech_detail.html: remove vertical timeline
speech_detail.html: more space around speech
speech_detail.html: remove location / date / breadcrumbs
speech_detail.html: hide actions, add edit/delete links
remove disused _speech_user_actions.html template
speech_detail.html: clearer relationship between speaker and speech
speech_detail.html: show "speech created" message and actions
speech_tests.py: now expects the correct URL on successful post
enable access to request object in example_project templates
fix tests to check for new edit/delete speech links
Merge branch '245-speech-detail' into issues/sayit/221-more-add-speech-buttons
remove context['request'] workaround for SectionView
speaker_detail.html: add Edit button, remove Actions dropdown
speaker_tests.py: automatic whitespace fixes