cf. same for jsons in de6b4496

make noverlap account for new node sizes slider ; adjust legends after changetype ; etc

TW.ByType offers faster access to nodes by type + various clarifications with new typestring

towards a more transparent changeType structure and typestring syntax

use of edges(eid).hidden makes filters faster + rationalize function signatures + remove comments

also fixed an fa2 condition

for servermenu mode, let the nodetypes be stipulated by graph source

click effect is a normal selection now + color menu is updated by type + fix bug in int index for cluster colors

forgot 3rd party libs dirname match in regexp

moved 3rd party libs separately ; added a script to adapt relative paths in the html for production ; started harmonizing documentation