Fix #270: on iOS, List doesn't scroll correctly when it is inside a deli...

Set position:absolute, width:100% and height:100% on List's inner node => The List is no longer sized by its children
Set width:100% and height:100% as default on List => The List's parent height must be defined, see List.md
Thanks Adrian, register.parse() was missing in samples, fixed in https://github.com/dmandrioli/deliteful/commit/bbcf1ea92159ca5ca5f556692ad2ee35cbb3284b