Add Lift web framework
Add Lift web framework

Revert #19. There is no "one framework fits everybody" framework, Lift
is one of the most mature Scala web frameworks around with awesome
security properties.

lauris/awesome-scala,hanjk1234/awesome-scala,janurag/awesome-scala,Luegg/awesome-scala,Moinheart/awesome-scala,lzpfmh/awesome-scala,algra/awesome-scala,pconcepcion/awesome-scala,ycaille/awesome-scala,Krasnyanskiy/awesome-scala