use bootstrap #29
fix for test cases
activate travis
fix on travis, activate coveralls
remove flask-assets
sketch for node views
remove principal
the topic view sketch
prepare for node and topic model
prepare the form for node
style it with bootstrap
homepage and find password page
footer and styles
enable the settings page
create node handler available
edit node handler available
add validation on urlname of node
serve humans.txt and robots.txt
all style on account
all about node and its templates