Added some constructors and destructors.
Added default constructor.
Merge pull request #78 from Makman2/master

[hotfix] Fix compilation error
Merge pull request #77 from Makman2/transformation

[merge] Added some constructors and destructors.
[test] Add Custom test
[test] Add more test cases
[test] Add time measurement to tests
[test] Make Custom test safer
[console] Implemented rest of the API
[console] Minor modifications
[make] Add test condition
[doc] Change INSTALL
[camera] Fixed template in template.
[renderer] Add console renderer
[renderer] Various changes to make the renderer work
Merge pull request #79 from Makman2/test

[merge] Test
Merge pull request #80 from Makman2/console

[merge] Console
Merge pull request #81 from Makman2/make

[merge] Add test condition
Merge pull request #82 from Makman2/misc

[merge] Misc
[renderer] Add visibility check