Set tools position near to point more on top.
Set style for "point" tool is moved to collectVertices method.

...and `pointStyle` property is removed.
Merge branch 'gh-pages' into near_top
Move set yOffset for tools to collectTools method.
Revise use of js in some examples.
Merge branch 'gh-pages' into near_top
Is left to use *useVirtualPoint* property.
Move code of collectTools into collectVertices.
Move code to normalize mode to collectVertices.
Update docs