move client to packages
add router (frontend)

fixes #154,
now uses Den Bosch as standard, maybe change this in future
url fix
template fix

fixes #157 and fixes front-end for packages (#137)
fixed bug
added lesshat

not yet working
oops rename
oops
load shaders & 3d models from server
fix bug
sanitized
add rotterdam package
bugfixes
moved to package
add q to server packages
cityio cache packages
removed comments
removed comments
fix
moved to classes object