add ruby 2.1.1 to travis
add ruby 2.1.0 to travis
add coveralls gem
refactor rendering

correct and add badges to README
release v1.0.2
fix bug in stylesheet with 'divider-vertical'
remove '.rvmrc' file from repository
Merge branch 'refs/heads/master' into navbar_text

Conflicts:
	lib/simple_navigation_renderers/bootstrap.rb