Merge pull request #78 from sherief/master

Fix for Collada mesh naming bug
bugfix : fix compiler warning.

Signed-off-by: Kim Kulling <kim.kulling@googlemail.com>
Merge branch 'master' of https://github.com/assimp/assimp
bugfix : fix pedantic vs2012 warnings.

Signed-off-by: Kim Kulling <kim.kulling@googlemail.com>