Animation loading non Ajax..

Animation creating function does no rely that files are present, there
is no Ajax request checking if the ressource is present.
Also the syntax has been shorted plus a function that only starts the
mainloop after all animations are created are properly, which resolves
some issue when loading over web instead of file system.

Planet construction dialog has been enlarged. Construction costs have
been added. Minor css changes here too.
Also, when selecting any item, the scroll position is restored using
env.scrollTargetToY which resolved the annoying production list jumping
once the planet screen becomes refreshed.