Make "fallback" getExifRotation only method

Imagick loads complete image and got very slow on big images
allow filter value '0'
add trl for extensible
Fix tests
moved Kwc_Columns_Component to Kwc_Legacy_Columns_Component

this version of columns is very old and will be replaced with a newer one
renamed ColumnsResponsive to Columns, these will be the new columns
new redesigned columns component, it is fully responsive and is able to add unlimited cols/spans