First of all thank you so much for great help. I have did maximum, but still having the following issues.
I have followed the instruction but max 4 column is showing in portfolio, i am not able to make it five column.
And the backend language is changed to Detusch but the fronend language is still not changed after doing all these. find the contact form here http://relaunch.mahobabo.de/#kontakt you will find Name,Email,Phone etc are still in english, please tell me how can i change this to Detusch?