changes fast run specs to use myCiclus

This is a fix for the fast builds used with polyphemus that are currently broken.  [Here is a working example.](http://submit-1.batlab.org/nmi/results/details?groupBy=platform&runID=279264&groupDirection=down&sortDirection=down&sortBy=taskID&refreshTime=20) This issue is currently blocking all cyclus and cycamore PRs.