Get rid of compile warnings

[zer0n]

Add to code files.

#pragma warning(push, 0)        
//include of 3rdparty headers
#pragma warning(pop)

A no-code-change solution would be preferred.

[pavlejosipovic]

There is no compiler warnings anymore.

[zer0n]

There're still linking warnings, associated with LevelDB. Is it possible/easy to get rid of them too?

     3>LevelDb.lib(builder.obj) : warning LNK4099: PDB 'vc120.pdb' was not found with 'LevelDb.lib(builder.obj)' or at 'C:\workspace\caffe\Build\x64\Release\vc120.pdb'; linking object as if no debug info [C:\workspace\caffe\windows\caffe\caffe.vcxproj]
...