update converter
rake convert
rake convert
Update references to twbs
Default $bootstrap-sass-asset-helper to true only if asset helper is
defined.
Thanks @cimmanon! See also: http://stackoverflow.com/questions/20706908/test-whether-a-sass-function-is-defined
bower note
rake convert
fix converter version
improve mixin discovery
convert
Minor refactorings and rake less_to_scss

less_to_scss:

    $ echo '.p { #gradient > .horizontal(red,blue) }' | rake less_to_scss[master]
    .p { @include gradient-horizontal(red,blue) }
update formate of grid generator mixin to match upstream/master
resolve merge - format grid generator mixin