fix bootstrap on songs list page
fix bootstrap on login page
add bootstrap to home page
add bootstrap to signup page
add bootstrap to signup error message
change login to be done in navbar
restyle songs index list
style new song form
add error alert to invalid new song format
fix post new song button in songs list
various minor column sizing fixes
remove unused login page
fix post song button for xs layout
add back login page
add glyphicons fonts
restore login page and add error message
add current user email to navbar
resize post new song button
add icon to logout button
add icon to post new song button