making tornado based backend for preview server
moved nginx tmp folder
renamed preview module
implemented 3 step wizard for previews
extracted some settings/code to settings module, so it only runs once at module load
fixed bug in settings
generated quick and dirty inline html for testing
tweaked html for testing on iPhone
added jquery uploader and css fix for nginx
added margin to from
added single page ajax UI
added styles for preview images and added acces control header to nginx config
tweaked headers
removed shopping basket url
added 'howto' comment for compiling nginx with file upload module
added client side resampling
added support for v1 v-plotter (single marker)
created forms for v1 and v2
removed duplication in ngnix config
added simple navigation