Add comment about middleware change for rails 3
Add comment about middleware change for rails 3

Br3nda/alaveteli,obshtestvo/alaveteli-bulgaria,andreicristianpetcu/alaveteli_old,4bic/alaveteli,andreicristianpetcu/alaveteli,petterreinholdtsen/alaveteli,Br3nda/alaveteli,andreicristianpetcu/alaveteli,obshtestvo/alaveteli-bulgaria,nzherald/alaveteli,TEDICpy/QueremoSaber,petterreinholdtsen/alaveteli,nzherald/alaveteli,andreicristianpetcu/alaveteli_old,nzherald/alaveteli,petterreinholdtsen/alaveteli,datauy/alaveteli,hasadna/alaveteli,4bic/alaveteli,TEDICpy/QueremoSaber,andreicristianpetcu/alaveteli_old,10layer/alaveteli,datauy/alaveteli,Br3nda/alaveteli,obshtestvo/alaveteli-bulgaria,codeforcroatia/alaveteli,TEDICpy/QueremoSaber,Br3nda/alaveteli,hasadna/alaveteli,codeforcroatia/alaveteli,andreicristianpetcu/alaveteli,andreicristianpetcu/alaveteli_old,TEDICpy/QueremoSaber,4bic/alaveteli,hasadna/alaveteli,andreicristianpetcu/alaveteli_old,obshtestvo/alaveteli-bulgaria,Br3nda/alaveteli,nzherald/alaveteli,hasadna/alaveteli,obshtestvo/alaveteli-bulgaria,4bic/alaveteli,TEDICpy/QueremoSaber,nzherald/alaveteli,andreicristianpetcu/alaveteli,andreicristianpetcu/alaveteli,hasadna/alaveteli,4bic/alaveteli,10layer/alaveteli,petterreinholdtsen/alaveteli,codeforcroatia/alaveteli,10layer/alaveteli,datauy/alaveteli,codeforcroatia/alaveteli,petterreinholdtsen/alaveteli,hasadna/alaveteli