builder: add cluster by system button anr remove cluster by clonotype button ( display only if neccesary )

-auto compute reads_segmented with currents systems selected by user
-active/unactive windows

-doesn't create any new timepoint
-require files with the same number of timepoint

- compute analysis file using database information and stored file.analysis file

- bug if V gene name is not found in the germline

- filter unvisible node

- produce only one quadtree

- compute correct Nlength
- remove old useless code

-getSrTime() function who return the name or date of a time point (depends of the format selected by user)

- display sampling date (can be edited)
- update edit function

this menu is now on two column and use radio button