Added work in progress docs.
Merge branch 'master' of https://github.com/appacitive/appacitive-docs

* 'master' of https://github.com/appacitive/appacitive-docs:
  if profile photo link is present in cookie, profile photo will be shown
  new white theme added
  footer added
  file and query docs for csharp added
  active item displayed incorrectly if scroll size increased. fixed. added connection docs for .net
  logged in control made invisible for smaller resolution
  if user is logged, respective information will be shown
  storing of selected lang added. scroll misalignment issue fixed when language was changed