Add CMR data and fix first_date merges

PrepCMRdata:  Compiles data from paper CMRs
Createmorb2012: Integrates CMR data into final morb file
01: Save final datasets to main dataset folder, not trial folder
07: List setx14 first when merging datasets and drop firstdate so that
aggregated firstdate values can be used
08: Delete extra main01 varaibles