Add urweb to ubuntu-precise; resolves travis-ci/apt-package-whitelist#2011
Add urweb to ubuntu-precise; resolves travis-ci/apt-package-whitelist#2011

Packages: urweb liburweb0 liburweb-cgi0 liburweb-fastcgi0 liburweb-http0 liburweb-static0 urweb-doc urweb-mode

travis-ci/apt-package-whitelist,travis-ci/apt-package-whitelist