speech_detail.html: avatar links to person profile
speech_detail.html: remove vertical timeline
speech_detail.html: more space around speech
Default speeches to public with hidden field.

To replace checkbox removed in 5cecf4ba.
Adds ability to add a section in the speech form.

Generalise SpeakerField to work with the Section field also.

Fixes #13.
Merge branch 'issues/13-add-section-when-adding-speech'
Tidy whitespace.
Test that name is stripped for new speaker.

Relates to issue #230.
Support coverPage as an alternative to preface
Strip whitespace from new speaker names.

Fixes #230.
Strip name of speaker added inline in a speech.

(also strips section titles in the same way)
Add support for docTitle
Merge branch 'issues/230-space-around-names'
speech_detail.html: remove location / date
speech_detail.html: hide actions, add edit/delete links
speech_detail.html: clearer relationship between speaker and speech
speech_detail.html: show "speech created" message and actions
enable access to request object in example_project templates
Merge branch '245-speech-detail'
Add 'Add speech' button on the speaker page.

The button is to the right of the 'Speeches' title for all sizes of screen.
At the moment it's not well vertically aligned with the search box
when the text 'Add search' is all on one line.