add watch button in embed mode see MapStory/mapstory/issues/577
use existing favicon for watch
open links in new tab see MapStory/mapstory/issues/946
do not show time part of annotations in the editor if playback does not have minutes or hours precision see MapStory/mapstory/issues/937
implement changes suggested by @sshyu wrt MapStory/mapstory/issues/577
move icon 3 pixels down
add fullname to author search api, refs #738

old functionality maintained.
add django-messages requirement
ignore django-messages
add textile requirement
Merge branch 'mapstory' into gs-23-community-importer

Conflicts:
	shared/requirements.txt