Replace transform_sourcecode with transform_code
Replace transform_sourcecode with transform_code

The latter didn't really to a transformation, it just marked the problematic
code.

Also, don't use a new variable in transform_content, as you might forget to
write new_content = func(new_content) instead of new_content = func(content).

techdragon/nikola,techdragon/nikola,getnikola/nikola,pluser/nikola,pluser/nikola,getnikola/nikola,wcmckee/nikola,atiro/nikola,masayuko/nikola,immanetize/nikola,getnikola/nikola,lucacerone/nikola,jjconti/nikola,yamila-moreno/nikola,TyberiusPrime/nikola,x1101/nikola,okin/nikola,wcmckee/nikola,gwax/nikola,jjconti/nikola,JohnTroony/nikola,getnikola/nikola,schettino72/nikola,xuhdev/nikola,knowsuchagency/nikola,berezovskyi/nikola,xuhdev/nikola,TyberiusPrime/nikola,berezovskyi/nikola,atiro/nikola,atiro/nikola,wcmckee/nikola,masayuko/nikola,x1101/nikola,knowsuchagency/nikola,berezovskyi/nikola,immanetize/nikola,andredias/nikola,okin/nikola,TyberiusPrime/nikola,xuhdev/nikola,xuhdev/nikola,x1101/nikola,s2hc-johan/nikola,JohnTroony/nikola,gwax/nikola,techdragon/nikola,andredias/nikola,okin/nikola,pluser/nikola,immanetize/nikola,okin/nikola,lucacerone/nikola,lucacerone/nikola,knowsuchagency/nikola,schettino72/nikola,andredias/nikola,gwax/nikola,yamila-moreno/nikola,masayuko/nikola,yamila-moreno/nikola,s2hc-johan/nikola,jjconti/nikola,JohnTroony/nikola,s2hc-johan/nikola,schettino72/nikola