build failure and unused strings

[pixelzoom]

Failure is Fatal error: shred is missing from phetLib in package.json, see last line of output below.

% grunt
...
Running "after-requirejs-build" task
>> Unused string: key=BUILD_AN_ATOM/verySmall, value=very small
>> Unused string: key=BUILD_AN_ATOM/argon, value=Argon
>> Unused string: key=BUILD_AN_ATOM/magnesium, value=Magnesium
>> Unused string: key=BUILD_AN_ATOM/whiteIsotopeBox, value=White Isotope Box
>> Unused string: key=BUILD_AN_ATOM/none, value=--
>> Unused string: key=BUILD_AN_ATOM/whatIsTheTotalChargeMultiLine, value=What is the
>> total charge?
>> Unused string: key=BUILD_AN_ATOM/name, value=Element Name
>> Unused string: key=BUILD_AN_ATOM/minusSignIon, value=- Ion
>> Unused string: key=BUILD_AN_ATOM/silicon, value=Silicon
>> Unused string: key=BUILD_AN_ATOM/beryllium, value=Beryllium
>> Unused string: key=BUILD_AN_ATOM/problemIndexReadout.pattern, value=Problem {0} of {1}
>> Unused string: key=BUILD_AN_ATOM/completeTheModel, value=Complete the model:
>> Unused string: key=BUILD_AN_ATOM/abundanceInNature, value=Abundance in Nature
>> Unused string: key=BUILD_AN_ATOM/tryAgain, value=Try Again
>> Unused string: key=BUILD_AN_ATOM/check, value=Check
>> Unused string: key=BUILD_AN_ATOM/howManyProtons, value=How many protons?
>> Unused string: key=BUILD_AN_ATOM/isotopes, value=Isotopes
>> Unused string: key=BUILD_AN_ATOM/percentComposition, value=Percent Composition
>> Unused string: key=BUILD_AN_ATOM/fluorine, value=Fluorine
>> Unused string: key=BUILD_AN_ATOM/more, value=More
>> Unused string: key=BUILD_AN_ATOM/boron, value=Boron
>> Unused string: key=BUILD_AN_ATOM/myIsotope, value=My Isotope
>> Unused string: key=BUILD_AN_ATOM/less, value=Less
>> Unused string: key=BUILD_AN_ATOM/carbon, value=Carbon
>> Unused string: key=BUILD_AN_ATOM/atomicMass, value=Atomic Mass (amu)
>> Unused string: key=BUILD_AN_ATOM/makeIsotopes, value=Make Isotopes
>> Unused string: key=BUILD_AN_ATOM/thisIsotope, value=This Isotope
>> Unused string: key=BUILD_AN_ATOM/stable, value=Stable
>> Unused string: key=BUILD_AN_ATOM/unstable, value=Unstable
>> Unused string: key=BUILD_AN_ATOM/chlorine, value=Chlorine
>> Unused string: key=BUILD_AN_ATOM/noElement, value=-
>> Unused string: key=BUILD_AN_ATOM/isotopes-and-atomic-mass.title, value=Isotopes and Atomic Mass
>> Unused string: key=BUILD_AN_ATOM/myMixOfIsotopes, value=My mix of isotopes
>> Unused string: key=BUILD_AN_ATOM/aluminum, value=Aluminum
>> Unused string: key=BUILD_AN_ATOM/howManyParticles, value=How many particles?
>> Unused string: key=BUILD_AN_ATOM/sodium, value=Sodium
>> Unused string: key=BUILD_AN_ATOM/pattern.0element.1massNumber, value={0}-{1}
>> Unused string: key=BUILD_AN_ATOM/showAnswer, value=Show Answer
>> Unused string: key=BUILD_AN_ATOM/completeTheSymbol, value=Complete the symbol:
>> Unused string: key=BUILD_AN_ATOM/clearBox, value=Clear Box
>> Unused string: key=BUILD_AN_ATOM/positiveSignIon, value=+ Ion
>> Unused string: key=BUILD_AN_ATOM/phosphorus, value=Phosphorus
>> Unused string: key=BUILD_AN_ATOM/nitrogen, value=Nitrogen
>> Unused string: key=BUILD_AN_ATOM/neon, value=Neon
>> Unused string: key=BUILD_AN_ATOM/units.amu, value=amu
>> Unused string: key=BUILD_AN_ATOM/averageAtomicMass, value=Average Atomic Mass
>> Unused string: key=BUILD_AN_ATOM/hydrogen, value=Hydrogen
>> Unused string: key=BUILD_AN_ATOM/helium, value=Helium
>> Unused string: key=BUILD_AN_ATOM/oxygen, value=Oxygen
>> Unused string: key=BUILD_AN_ATOM/whatIsTheMassNumberBr, value=What is the
>> mass number?
>> Unused string: key=BUILD_AN_ATOM/next, value=Next
>> Unused string: key=BUILD_AN_ATOM/mixIsotopes, value=Mix Isotopes
>> Unused string: key=BUILD_AN_ATOM/lithium, value=Lithium
>> Unused string: key=BUILD_AN_ATOM/other, value=Other
>> Unused string: key=BUILD_AN_ATOM/naturesMixOfIsotopes, value=Nature's mix of isotopes
>> Unused string: key=BUILD_AN_ATOM/sulfur, value=Sulfur
Fatal error: shred is missing from phetLib in package.json
%

[jbphet]

Changes look good, grunt now succeeds without any warnings about unused strings. Closing.