Terminate RMG when encountering an error in reading pdepreactions.txt file
Terminate RMG when encountering an error in reading pdepreactions.txt file

Before: If RMG had any problem reading in the pdepreactions.txt file, it would
print an error message (that would quickly get lost in the sea of other
error/warning messages), store no pressure-dependent reactions in the Seed
Mechanism, and carry on.

Now: The error message printed to screen is a bit more detailed, and the RMG
simulation will terminate immediately.

Closes #145

jwallen/RMG-Java,nyee/RMG-Java,KEHANG/RMG-Java,keceli/RMG-Java,faribas/RMG-Java,connie/RMG-Java,nyee/RMG-Java,rwest/RMG-Java,KEHANG/RMG-Java,enochd/RMG-Java,enochd/RMG-Java,connie/RMG-Java,KEHANG/RMG-Java,ReactionMechanismGenerator/RMG-Java,faribas/RMG-Java,rwest/RMG-Java,ReactionMechanismGenerator/RMG-Java,nyee/RMG-Java,jwallen/RMG-Java,faribas/RMG-Java,keceli/RMG-Java,nyee/RMG-Java,jwallen/RMG-Java,rwest/RMG-Java,connie/RMG-Java,enochd/RMG-Java,connie/RMG-Java,enochd/RMG-Java,KEHANG/RMG-Java,keceli/RMG-Java,rwest/RMG-Java,KEHANG/RMG-Java,ReactionMechanismGenerator/RMG-Java,jwallen/RMG-Java,rwest/RMG-Java,jwallen/RMG-Java,nyee/RMG-Java,KEHANG/RMG-Java,faribas/RMG-Java,jwallen/RMG-Java,enochd/RMG-Java,nyee/RMG-Java,ReactionMechanismGenerator/RMG-Java,enochd/RMG-Java,keceli/RMG-Java,keceli/RMG-Java,ReactionMechanismGenerator/RMG-Java,connie/RMG-Java,keceli/RMG-Java