System buttons bar have white buttons on white background on older androids (glider 2.x)

[Porkepix]

System buttons bar are white over white background on older Android versions, making it very hard to read.

See this screenshot:

Screenshot

And for reference those similar issues:
Livinglist/Hacki#184
beemdevelopment/Aegis#531
celzero/rethink-app#802

[Mosc]

Fixed in 77e1037.