update docs, describe how to use horizontalAlign/verticalAlign

PolymerElements / iron-fit-behavior

Fits an element into another element

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Closed valdrinkoshi closed 8 years ago

valdrinkoshi commented 8 years ago

Update docs to describe the latest features introduced for positioning & overlapping (#38)

cdata commented 8 years ago

Small tweaks requested, otherwise LGTM 👍