check if _admin instead of admin is in list of admins

secretion appear in templates, so in url.
to have more generic url remove referenece to secretion everywher in js,
templates name on so on
change call to some template in js according to renaming

properly

in form
 - add space between ex: and the value

in reference to macsyfinder/view provide the 2 url
in reference to Txsscan remove text keep only the link

when the taxonomy ends with '.' or ';' the 'ast char must be removed
there was an error, only the last term was assigned to the taxonomy
which induce javascript error on the sever side
in the by_taxonomy view

taxonomy.join(', ') is not a function

when data are not valid a forbiden error is thrown and the message
was not clear.
know the 2 origin of erro data or credentials are treated separately and
an improved message is displayed to the user

so skip these systems and log them

replace namedtuple SystemInfo by an object
as we need to mutate it
some information (system_status, and predicted_system are
known after the creation of new system occurrence
when the parser encounter a gene belonging a system not neighbor genes

replace schema of T3SS system by schema of all secretion systems
and secreton logo of secreton by txssdb logo

instead for only T3SS genes