Release 0.3.5

Noteworthy changes in this release:

* complete rewrite into a single module. Significant speed improvements, race conditions eliminated. Calls the compiler only once thanks to multi-mode generation.
* can now have multiple graphs of different kinds on the single page, graphs no longer disappear when showing/hiding references
* ClaferIDE and ClaferConfigurator integration (`Open in IDE` and `Configure in ClaferConfigurator` buttons)