changed grp_model_ to _grp_model_ tag
replaced yaml files for config_fsl and modified model generator to read yml files
gp symlinks
Merge branch 'development' of https://github.com/FCP-INDI/C-PAC into development

'added gp symlinks'
updated centrality output directories
updated regex substitution in pipeline datasink
changed merged 4d file names
Merge branch 'development' of https://github.com/FCP-INDI/C-PAC into development

added correct names to merged 4d files
Merge branch 'development' of https://github.com/FCP-INDI/C-PAC into development
I have no idea what I am doing...
bug in dualreg