untangle glyph and font awesome icon helpers
untangle glyph and font awesome icon helpers

- it doesn't repeat itself so much now
- TODO: navigation_fa_icon helper is still rubish. It will only take
        string 'xlsx' as a parameter or else return nothing. It is simply
        not as it should be

panter/aoz-003,panter/aoz-003,panter/aoz-003