new gulp tasks, iOS deletablelist added features

[ajmalmsali]

New Gulp Tasks

CSS

gulp themes (alias for gulp less) gulp android gulp ios gulp win

JS

gulp chuijs

Examples

gulp android_examples gulp ios_examples gulp win_examples

iOS deletable list features

swipe left shows delete option swipe right show delete option on rtl

Deletable indicator, rotate by 90deg on click

Remove delete option from all other list items.

[sourcebits-robertbiggs]

I had to merge this commit from the terminal due to merge conflicts. Please see commit: f4b9e35c44 for merge details.