minor change to rooksource.R: removed the requirement for devtools while in "production" mode.
minor change to rooksource.R: removed the requirement for devtools while in "production" mode.

vjdorazio/TwoRavens,vjdorazio/TwoRavens,vjdorazio/TwoRavens,vjdorazio/TwoRavens,vjdorazio/TwoRavens