docs(theming): Adding words to convert in the variable filter
docs(theming): Adding words to convert in the variable filter

Some words should match certain sass variables, also lowercased the
input to get better matches and stripped the hyphens from the data so
that if the user chooses to look for a component via camel case it will
work. References driftyco/ionic2#122

philmerrell/ionic-site,ionic-team/ionic-site,driftyco/ionic-site,ionic-team/ionic-site,philmerrell/ionic-site,driftyco/ionic-site,philmerrell/ionic-site,driftyco/ionic-site,driftyco/ionic-site,driftyco/ionic-site,ionic-team/ionic-site,ionic-team/ionic-site