support for env effect
bugfix

taking care of NAs
bugfixes + env handling

fix to the case when too much NAs caused fail of EM function + handling
of environment
added functionalities

corrected for multiple testing and refined verbose - added info about
how many more significant QTLs we find on new map
small updates

better colors and description
bugfix

removed unused argument
handling of environment

new way of generating markers
code cleaning

removing unnecessary code
bugfix + handling of env

taking care of NA in the data and introducing env
removing unused function
implementing env handling

final additions to handle multiple environmets
separating the function to merge environments

separating the function to merge environments
handling of environment

final additions to make it work
bugfix

maps and genotypes should be read at once, not line-by-line
bugfix

removing useless check
bugfix

removing useless checks and rubbish code
bugfix

incorrect placement of statements
bugfix
Add simulation and tests for creating multi-environment checks:

- createMix - Create a mixture in X individuals per N 'M-modal' normals
- plot4Nmixture - Plot 4 conditions created by createMix as histograms
- createMix.test - Tests Create mix and the plot4Nmixture function
environment handling

full model scan instead of scanone