Small fix for gcc4.8 and const veriables intializers.

Signed-off-by: Lukasz Gromanowski <lgromanowski@gmail.com>
Small fix for gcc4.8 and const veriables intializers.

Signed-off-by: Lukasz Gromanowski <lgromanowski@gmail.com>
Added missing string header.

Signed-off-by: Lukasz Gromanowski <lgromanowski@gmail.com>
Another part of const initializer fixes.

Signed-off-by: Lukasz Gromanowski <lgromanowski@gmail.com>
Merge pull request #34 from lgromanowski/cpp11_fixes_for_gcc48

Small fix for gcc4.8 and const veriables intializers.