Add lastActivity to UserFaker
Merge branch 'UdoZa-master'

Closes #14
The maximum length for the user option 'profile.aboutMe' is 1000
Merge pull request #15 from MeinAccount/aboutMe

The maximum length for the user option 'profile.aboutMe' is 1000
Rename block(s) to ignore(s)

See https://github.com/wbbaddons/Faker/commit/520e6cfafe8b6935242a107ae40ad6fd66fe0033#commitcomment-5735229