Generate setup.py before trying a make install.
Merge pull request #123 from afsilva/master

Update install.md for proper manual installation of juicer
setup.py generated as part of make install
Fix package count for show-repo. Closes #125
Add python2-devel to deps list. Closes #122
Package association fixed. Closes #116. Closes #117
Read cart before each push. Closes #115