- Added mthdef.h file - he includes default definitions.
 - included 'numint' files to math module.
 - deleted unused files 'point.h' and 'vec.h' - we don't need it for this moment.
 - Added again to ignoring 'Gbox.pro.user' file.
Camera, math and render updated.

  - changed head-file comments.
  - Added text rendering functions.
Camera:
  - Done camera module. (done rotations).
Math:
  - corrected vector mult.
  - separated math to modules 'vec', 'matr'
  - reoverlayed QString class functions creating with 'double' and 'int' numbers.
Updated input, math and units.

math:
  - added random template function.
input:
  - added mouse syncronisation.
units:
  - added unit planets.
Removed again this damn file.
Merge pull request #7 from kbsx32/master

Pull request from night 19.09.2014