Update .travis.yml
Update .travis.yml

add back test for parallel make
sidward/bart,sidward/bart,Takishima/bart,mrirecon/bart,Takishima/bart,sidward/bart,Takishima/bart,sdimoudi/bart,mrirecon/bart,Takishima/bart,mrirecon/bart,Takishima/bart,sidward/bart,sdimoudi/bart,sdimoudi/bart,sidward/bart,mrirecon/bart,sdimoudi/bart,sdimoudi/bart,mrirecon/bart