Squashed 'snippets/' changes from 964be2b..7f0ebe6

7f0ebe6 add collaboration part2 snippets
998b6ad refactor
454bc88 allow text after '%%' record separator

git-subtree-dir: snippets
git-subtree-split: 7f0ebe6414b6b37c0f714ad22c39708b98987c60
Merge commit 'd21b265ba1751dc104f28006783cf19fcaa3ab63'
Squashed 'snippets/' changes from 7f0ebe6..4a76d24

4a76d24 add planets.py merge conflict snippet

git-subtree-dir: snippets
git-subtree-split: 4a76d245444589dcb81982cd246fbcc5ce7c0b46
Merge commit 'c62b8c1a4ce13dc89f18a4ab15aa61b9e78f884b'
section about registering your nick
add notes to source
add part2 of collaborative activity to schedule
rename
update demo README to contain <!-- more -->

include example README using <!-- more --> to separate summary
from detailed description
tell feedzira about atom:link for feed_url for RSS feed

don't know if this is just in blogs.lt's RSS feed, or WordPress feeds in
general, but FeedZirra recognizes it as RSS but its filter doesn't
handle the atom:link element to grab the feed url.
add project list
refactor snippets

move DataSource to data_sources/snippets.rb
remove debug output
Add projects data source
add not about markdown option
project review DS and squee bindings
remove refresh feeds command

functionality moved to #sync in DataSource::Feed
style tweaks
add activities
add some layouts