update doc/Makefile.dist to include all necessary files in doc/dev/
update doc/Makefile.dist to include all necessary files in doc/dev/

lokik/sfepy,lokik/sfepy,BubuLK/sfepy,BubuLK/sfepy,vlukes/sfepy,lokik/sfepy,vlukes/sfepy,rc/sfepy,rc/sfepy,RexFuzzle/sfepy,RexFuzzle/sfepy,sfepy/sfepy,vlukes/sfepy,lokik/sfepy,RexFuzzle/sfepy,sfepy/sfepy,BubuLK/sfepy,sfepy/sfepy,RexFuzzle/sfepy,rc/sfepy