Known bugs:
*      Masked
* StaticMesh browser:     "Next Group",   "Save Package"
* StaticMesh Browser:      .ase .
*     Matinee   .
* File > Export Int as...  ,  .
*  "Build Paths"    .
*       Viewport (Actors> ...view)


Fixed bugs:
- Added message on failed file import.
- Texture import flags issue addressed (works only with .dds, .tga was not fixed at the moment).
- Stopped "WPropertyPage" from appearing in User.ini, which was causing messed up GUI buttons.
- Fixed crash on empty matinee scene (replaced with error message).
- fixes in "StaticMesh browser"-s GUI (editor can hang up when undocking StaticMesh browser from Master Browser)
- crash on "int export" issue adressed (added error message)
- fixed checkmark in "Viewport"-s "Actors->View" menu
- fixed "xEmitter"-s not working in realtime mode after level loaded (in editor).
