Strip days that don't have any recorded data from the performance csv files
Strip days that don't have any recorded data from the performance csv files

Prevents dates that don't have any recorded data from being placed in our .csv
files. The motivator for this change was that double clicking on the "Jacobi
Emitted Code Size" graph would not zoom to the expected range.


git-svn-id: 88467cb1fb04b8a755be7e1ee1026be4190196ef@22842 3a8e244f-b0f2-452b-bcba-4c88e055c3ca

chizarlicious/chapel,sungeunchoi/chapel,chizarlicious/chapel,sungeunchoi/chapel,chizarlicious/chapel,sungeunchoi/chapel,sungeunchoi/chapel,hildeth/chapel,hildeth/chapel,CoryMcCartan/chapel,sungeunchoi/chapel,hildeth/chapel,CoryMcCartan/chapel,sungeunchoi/chapel,CoryMcCartan/chapel,CoryMcCartan/chapel,hildeth/chapel,hildeth/chapel,sungeunchoi/chapel,chizarlicious/chapel,hildeth/chapel,hildeth/chapel,CoryMcCartan/chapel,chizarlicious/chapel,CoryMcCartan/chapel,CoryMcCartan/chapel,sungeunchoi/chapel,chizarlicious/chapel,chizarlicious/chapel