[c-c newcube] #1192: simpler cubicweb-ctl newcube, and more * new --layout option, to get 'simple' or 'full' cube * new --licence option to specify license for the cube * added README and sobjects.py template (the later only added in full layout) * fixed python file templates to get proper headers according to the config

function set_tab(tabname, cookiename) {
    // set appropriate cookie
    asyncRemoteExec('set_cookie', cookiename, tabname);
    // trigger show + tabname event
    trigger_load(tabname);
}