css: #flash_container above #db_div

We always want to see the flashing messages.
server/gunzip-sequences.py: unzip '.gz' sequence files and fool the DB.

This may be a temporary hack.
model.js: 'delta_date' date formatter, displays days after the first sample
patient/info.html: display 'pcr' in the samples table
index.html, js/builder: temporary remove 'sampling date' display

The sampling date is currently not transferred from the db to the browser.
This commit can be safely reverted once the bug is solved.
Merge remote-tracking branch 'origin/master' into rbx.vidjil.org
builder.js: better display of multi-system info_row

Sort systems, and break line if needed before TRA and IGH.
index.html: simple favicon
Merge remote-tracking branch 'origin/master' into rbx.vidjil.org
index.html, js/builder: Revert "temporary remove 'sampling date' display"

This reverts commit 85dd6226d9.
Thanks to 49ee14e, the sampling date is correctly given to the browser.
get-germline: launch fastaToJson.py
model.js: 'delta_date' date formatter, display better negative values

It seems that JavaScript does not have natively number formatting methods.
germline.js: update
remove old unused Makefile
Merge remote-tracking branch 'origin/master' into rbx.vidjil.org
browser : display system/info
-change some css
-add
browser : update system/label
- fix css
- debug color by V/J
list.js : change list css (add data list)
scatterplot.js : hide system label
graph.js : display data
- auto select scale (linear/log)