add transparency, cursor pointer and a hint to the sidebar toggler
Merge pull request #54 from rubo77/toggle

title and cursor pointer hint on toggle sidebar
add link to graph in geomap on each node with that node focussed already
add GPLv3 license
auto update hash in url on change in the searchbox
Merge pull request #55 from rubo77/search

enhance linking between graph and geomap
graph.html: remove stray </a> tag
list: show firmware
graph: hilight gluon nodes
Add configurable values for all graph modifiers.
Set ruler to default value
Adopt backend changes.

The backend now tracks gluon/alfred nodes. Those nodes have no longer
an indistinguishable ghost node. Hence we have to adjust the client
counting.
Merge pull request #59 from sargon/ruler-defaults

Ruler defaults
Merge pull request #60 from sargon/gluon-client-counting

Adopt backend changes.
update d3 to 3.0.8
remove date.js (conflicts with new d3.js)
update to d3.js v3.4.1
graph: improve firefox performance

For some very strange reason setting opacity to anything != 1 makes the
graph much faster in Firefox.
graph: fix dragging with d3 v3.4.1
grpah: fix drag/click on node