update cigar input
Merge pull request #1 from mlund/master

merge from mikael
added xyz format
fixed bugs found in compilation of patchy spherocylinders
fixed bugs added cos attr asquared mixed
fixed bugs, added cutoff, test for cigra energies
added example of cigars energies
Merge pull request #2 from mlund/master

merge w. mikael
xcode fix. sort of.
Merge pull request #16 from robertvacha/master

cigars