Azimuthally sensitive femtoscopy 7.7-27 GeV

Highlight from analysis meeting: https://drupal.star.bnl.gov/STAR/system/files/analysisMeetingKhyzhniak.pdf
Update before PP on Collaboration meeting, Kent: https://drupal.star.bnl.gov/STAR/system/files/asHBT_updateBeforePP.pdf