Merge pull request #1 from emhart/master

Restructured code for packaging in R
just fixed
catchcurves seasonal moving to cpp version
Demonstration for Danielle
Merge pull request #2 from dknip/master

Test okay
committing almost mapped
committing local
so getting closer to full correct slicing of data
merging catchcurves.R
merging Maingui.R
committing prototypes for two remaining routines, these need inputs of K, Linf, C, Tw... normal parameters required for computing growth curves
deleted .DS_Store