Added possibility to change forces from ActionAtomistic
Added fit to template
POSITION CV

It works. However, it should be used after FIT_TO_TEMPLATE.
I think it should not be merged until a test that enforces
this has been implemented.
Added warning on POSITION
Merge branch 'fix-98' into v2.1
Added SCALED_COMPONENTS to POSITION
Added more doc
added regtest for POSITION and FIT_TO_TEMPLATE
changelog
Merge remote-tracking branch 'origin/v2.1' into v2.1
Better years in copyright header

Now the script uses git to know the years when the file was first created
updated header files
changelog
changed pointer to github log
Merge branch 'v2.0' into v2.1
Added warning on changelog
Fixed script to follow file renames
Fixed copyright dates
Fix

(cppcheck error)
cppcheck (performance)