include new scripts in distribution
include new scripts in distribution

- include gen_gallery.py, gen_lobatto_pyx.py, show_authors.py

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