- Added support for define buffer ID used by an attribute.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4627 dfc29bdd-3216-0410-991c-e03cc46cb475
- CMeshBuffer methods respect multiple Vertex Buffers now.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4628 dfc29bdd-3216-0410-991c-e03cc46cb475
Changing calling convention for static lib release fast CPU to Cdecl because FastCall did not actually compile (conflicts with pnglib). Also the same setting is used when compiling as dll, so I guess this setting was simply not tested. Thanks @AReich for reporting. See thread for more info:  http://irrlicht.sourceforge.net/forum/viewtopic.php?f=7&t=49462

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4629 dfc29bdd-3216-0410-991c-e03cc46cb475