add twitter, google plus, and facebook sharing
add sharing info to README
add more twitter options
add google plus options
add default values to social media parameters
add search box settings
merged sharing
Merge remote-tracking branch 'jake/sharing' into csharing
Merge remote-tracking branch 'jake/search-box' into search-bar

Conflicts:
	README.rst
Modify archive list to reverse order
templates/_includes/after_footer.html