Create call_ttv.pro
Create call_ttv.pro

Calls an example of compute_ttv.pro written in IDL which implements the first-order
eccentricity transit timing calculation given in Agol & Deck (2015).
dfm/TTVFaster,dfm/TTVFaster,ericagol/TTVFaster,eford/TTVFaster,ericagol/TTVFaster