Develop

See merge request hugg/detrital-mc!2

Added option to scale ages in catchments by a combination of the bedrock geology, glacial formations, and topometrics combined; Tweaked uplift scaling to use either Pecube vz or topometrics (ksn, ssp)

Added option to scale ages in catchments by a combination of the bedrock geology, glacial formations, and topometrics combined; Tweaked uplift scaling to use either Pecube vz or topometrics (ksn, ssp)

Cleaned up old commented-out code; added option for users to specify a percent uncertainty to use even when reading in observed ages

Fixed bug that did not age prevalence in PDFs by the instantaneous exhumation rate; Fixed bug that lead to bad Tecplot headers; Cleaned up source code (removed unused variables and comments, converted real*4 to real(kind=sp), fixed a few type conversions, fixed use of an uninitialized variable, etc.); Updated code to read latest version of csv output used for the models in Bhutan, including geological and glacial data

Cleaned up source code (removed unused variables and comments, converted real*4 to real(kind=sp), fixed a few type conversions, fixed use of an uninitialized variable, etc.)